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Upgrading packages with C extensions that are used within pip may cause failures #3024

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ionelmc opened this Issue Aug 12, 2015 · 11 comments

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ionelmc commented Aug 12, 2015

There's an issue with upgrading/reinstalling simplejson - it causes a very strange segfault.

Looking at the last comment simplejson/simplejson#114 (comment) it may be possible that overriding the .so file may cause problems.

Could pip stop using packages that use C extensions? Removing dependency on simplejson from requests is obvious choice, but it was not accepted here requests/requests#2516. I think different design considerations apply to pip.

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dstufft Aug 12, 2015

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If this is coming from requests, maybe @Lukasa or @sigmavirus24 will have useful input.

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dstufft commented Aug 12, 2015

If this is coming from requests, maybe @Lukasa or @sigmavirus24 will have useful input.

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Also, on Windows, simplejson cannot be upgraded/reinstalled at all:

C:\Python27\Scripts>pip install simplejson
Collecting simplejson
  Downloading simplejson-3.8.0.tar.gz (75kB)
    100% |################################| 77kB 952kB/s
Building wheels for collected packages: simplejson
  Running setup.py bdist_wheel for simplejson
  Stored in directory: C:\Users\ionel_000\AppData\Local\pip\Cache\wheels\d6\cd\cc\ebf794f523ba74d9737f4447fccfb9bc6321539839966b8a56
Successfully built simplejson
Installing collected packages: simplejson
Successfully installed simplejson-3.8.0

C:\Python27\Scripts>pip install -I simplejson
Collecting simplejson
Installing collected packages: simplejson
Exception:
Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\pip\basecommand.py", line 223, in main
    status = self.run(options, args)
  File "C:\Python27\lib\site-packages\pip\commands\install.py", line 299, in run
    root=options.root_path,
  File "C:\Python27\lib\site-packages\pip\req\req_set.py", line 646, in install
    **kwargs
  File "C:\Python27\lib\site-packages\pip\req\req_install.py", line 813, in install
    self.move_wheel_files(self.source_dir, root=root)
  File "C:\Python27\lib\site-packages\pip\req\req_install.py", line 1008, in move_wheel_files
    isolated=self.isolated,
  File "C:\Python27\lib\site-packages\pip\wheel.py", line 339, in move_wheel_files
    clobber(source, lib_dir, True)
  File "C:\Python27\lib\site-packages\pip\wheel.py", line 317, in clobber
    shutil.copyfile(srcfile, destfile)
  File "C:\Python27\lib\shutil.py", line 83, in copyfile
    with open(dst, 'wb') as fdst:
IOError: [Errno 13] Permission denied: 'C:\\Python27\\Lib\\site-packages\\simplejson\\_speedups.pyd'
Contributor

ionelmc commented Aug 12, 2015

Also, on Windows, simplejson cannot be upgraded/reinstalled at all:

C:\Python27\Scripts>pip install simplejson
Collecting simplejson
  Downloading simplejson-3.8.0.tar.gz (75kB)
    100% |################################| 77kB 952kB/s
Building wheels for collected packages: simplejson
  Running setup.py bdist_wheel for simplejson
  Stored in directory: C:\Users\ionel_000\AppData\Local\pip\Cache\wheels\d6\cd\cc\ebf794f523ba74d9737f4447fccfb9bc6321539839966b8a56
Successfully built simplejson
Installing collected packages: simplejson
Successfully installed simplejson-3.8.0

C:\Python27\Scripts>pip install -I simplejson
Collecting simplejson
Installing collected packages: simplejson
Exception:
Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\pip\basecommand.py", line 223, in main
    status = self.run(options, args)
  File "C:\Python27\lib\site-packages\pip\commands\install.py", line 299, in run
    root=options.root_path,
  File "C:\Python27\lib\site-packages\pip\req\req_set.py", line 646, in install
    **kwargs
  File "C:\Python27\lib\site-packages\pip\req\req_install.py", line 813, in install
    self.move_wheel_files(self.source_dir, root=root)
  File "C:\Python27\lib\site-packages\pip\req\req_install.py", line 1008, in move_wheel_files
    isolated=self.isolated,
  File "C:\Python27\lib\site-packages\pip\wheel.py", line 339, in move_wheel_files
    clobber(source, lib_dir, True)
  File "C:\Python27\lib\site-packages\pip\wheel.py", line 317, in clobber
    shutil.copyfile(srcfile, destfile)
  File "C:\Python27\lib\shutil.py", line 83, in copyfile
    with open(dst, 'wb') as fdst:
IOError: [Errno 13] Permission denied: 'C:\\Python27\\Lib\\site-packages\\simplejson\\_speedups.pyd'
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Ugh, this is entirely possibly coming out of requests, but I'd like to know what the logistical problem here is first.

Here's another question: given that pip vendors all its non-stdlib dependencies, why is it possible for it to import something from outside the vendor directories/stdlib? Is the answer just 'linux distros'?

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Lukasa commented Aug 12, 2015

Ugh, this is entirely possibly coming out of requests, but I'd like to know what the logistical problem here is first.

Here's another question: given that pip vendors all its non-stdlib dependencies, why is it possible for it to import something from outside the vendor directories/stdlib? Is the answer just 'linux distros'?

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Well, we don't bundle C dependencies, if requests still tries to import simplejson I guess we'll import it if it's available. Does requests support any way to disable it, or should we just patch it to remove the import?

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dstufft commented Aug 12, 2015

Well, we don't bundle C dependencies, if requests still tries to import simplejson I guess we'll import it if it's available. Does requests support any way to disable it, or should we just patch it to remove the import?

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Currently no, and while I'd like to disable it it's a good way to cause people unexpected problems. I'm happy for you to patch it out, in the short term, but we shouldn't lose this.

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Lukasa commented Aug 12, 2015

Currently no, and while I'd like to disable it it's a good way to cause people unexpected problems. I'm happy for you to patch it out, in the short term, but we shouldn't lose this.

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I think it's on the roadmap to remove it for requests 3.0.0

Sent from my Android device with K-9 Mail. Please excuse my brevity.

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sigmavirus24 commented Aug 12, 2015

I think it's on the roadmap to remove it for requests 3.0.0

Sent from my Android device with K-9 Mail. Please excuse my brevity.

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Small update: this segfault happens also when you try to upgrade cffi (seems cffi is imported in pip).

Also,interesting read: http://stackoverflow.com/questions/3855004/overwriting-library-file-causes-segmentation-fault

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ionelmc commented Aug 24, 2015

Small update: this segfault happens also when you try to upgrade cffi (seems cffi is imported in pip).

Also,interesting read: http://stackoverflow.com/questions/3855004/overwriting-library-file-causes-segmentation-fault

@dstufft dstufft modified the milestone: 8.0 Jan 19, 2016

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sowjanyamudimala Aug 23, 2016

Can someone tell me what the solution is for this "Permissions denied" issue with .pyd?

sowjanyamudimala commented Aug 23, 2016

Can someone tell me what the solution is for this "Permissions denied" issue with .pyd?

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porn Aug 31, 2016

Hey there!

I managed to reproduce the error on Kubuntu 16.04:

~$ lsb_release -a
LSB Version:    core-9.20160110ubuntu0.2-amd64:core-9.20160110ubuntu0.2-noarch:security-9.20160110ubuntu0.2-amd64:security-9.20160110ubuntu0.2-noarch
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.1 LTS
Release:        16.04
Codename:       xenial
~$ mkdir test
~$ cd test
~/test$ virtualenv --version
15.0.1
~/test$ virtualenv .
New python executable in /home/porn/test/bin/python
Installing setuptools, pip, wheel...done.
~/test$ . bin/activate
~/test$ python --version
Python 2.7.12
~/test$ pip -V
pip 8.1.2 from /home/porn/test/local/lib/python2.7/site-packages (python 2.7)
~/test$ pip install simplejson
Collecting simplejson
Installing collected packages: simplejson
Successfully installed simplejson-3.8.2
~/test$ pip install simplejson
Requirement already satisfied (use --upgrade to upgrade): simplejson in ./lib/python2.7/site-packages
~/test$ pip install --upgrade simplejson
Requirement already up-to-date: simplejson in ./lib/python2.7/site-packages
~/test$ pip install --ignore-installed simplejson
Collecting simplejson
Installing collected packages: simplejson
Successfully installed simplejson-3.8.2
Segmentation fault (core dumped)

now let's verbose the last command:

$ pip install --ignore-installed --verbose simplejson
Collecting simplejson
  1 location(s) to search for versions of simplejson:
  * https://pypi.python.org/simple/simplejson/
  Getting page https://pypi.python.org/simple/simplejson/
  Looking up "https://pypi.python.org/simple/simplejson/" in the cache
  Current age based on date: 715
  Freshness lifetime from max-age: 600
  Freshness lifetime from request max-age: 600                                                                                                                            
  The cached response is "stale" with no etag, purging                                                                                                                    
  Starting new HTTPS connection (1): pypi.python.org                                                                                                                      
  "GET /simple/simplejson/ HTTP/1.1" 200 9556                                                                                                                             
  Updating cache with response from "https://pypi.python.org/simple/simplejson/"                                                                                          
  Caching b/c date exists and max-age > 0                                                                                                                                 
  Analyzing links from page https://pypi.python.org/simple/simplejson/                                                                                                    
    Found link https://pypi.python.org/packages/00/21/2f3234aac78dac7a585cc6c9a1911d4618b20ae7f800b2ae60cb53395555/simplejson-3.0.7.tar.gz#md5=f674e9035aee1064dae90b22aa76ea98 (from https://pypi.python.org/simple/simplejson/), version: 3.0.7
    Found link https://pypi.python.org/packages/00/d2/4cf1c749787c526b4177eec3eed9d39f94f6db0a5f3b3b9e438d9fa22cfe/simplejson-3.4.0.tar.gz#md5=c076e04916679e4b08ec30f23844fbbf (from https://pypi.python.org/simple/simplejson/), version: 3.4.0
    Found link https://pypi.python.org/packages/03/b5/0c05aa0c96191c0a9e802947c07805183a39b7293210a31873cc8a27c081/simplejson-1.9.3.tar.gz#md5=321f7ad3a347e5a11814bcfecf8b9d11 (from https://pypi.python.org/simple/simplejson/), version: 1.9.3
    Found link https://pypi.python.org/packages/06/b5/4ddb273e222c4adfd682c240218b56482edf5fde6db32bddfe27b15af107/simplejson-1.8.1.tar.gz#md5=7d024d6ae74abb269637be204e132bdc (from https://pypi.python.org/simple/simplejson/), version: 1.8.1
    Found link https://pypi.python.org/packages/08/aa/49ce621718cb55f27cc9bc85e38cc552bfb90e281889c155b0a59d2b01ec/simplejson-2.2.1.tar.gz#md5=070c6467462bd63306f1756b01df6d70 (from https://pypi.python.org/simple/simplejson/), version: 2.2.1
    Found link https://pypi.python.org/packages/0a/b1/afd54fbf20d5de1a86e71e1161672f51927e36668c588a32816f681c2aa7/simplejson-3.2.0.tar.gz#md5=b37e7b984ce8c7a0c2260ba080d9aaee (from https://pypi.python.org/simple/simplejson/), version: 3.2.0
    Found link https://pypi.python.org/packages/0b/70/953effcdebfa37dccca2f3f7133e36374893fb3626700df22206424b9457/simplejson-3.1.0.tar.gz#md5=71df0076d4a35d29bfea530cb8226c26 (from https://pypi.python.org/simple/simplejson/), version: 3.1.0
    Found link https://pypi.python.org/packages/0e/2b/b3832e26935f4f8da6dcba84c145df4deb66744c0e4b2d5068d7ca0c4c87/simplejson-3.7.0.tar.gz#md5=70411c56940f7ebd71e79ec7c038a52a (from https://pypi.python.org/simple/simplejson/), version: 3.7.0
    Skipping link https://pypi.python.org/packages/0e/d0/c100f847db21ebb8d14647d38ba2de5a0fc80a579eed48b7fb025dd21b21/simplejson-1.7-py2.5.egg#md5=48275afc9a7a5612ae862c62e8352c36 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/11/4c/4460c7f6a5c40ad5b9d1906f4ab10d7b751b4ace636980e282cc3eb5e821/simplejson-3.8.2-cp27-cp27m-win_amd64.whl#md5=38f06b00907da4f205d825ccb247e5a1 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/12/e0/7e182b0eefbde10463288ac3c43256710ba67051ec30b985928d722b07ed/simplejson-2.1.6.tar.gz#md5=2f8351f6e6fe7ef25744805dfa56c0d5 (from https://pypi.python.org/simple/simplejson/), version: 2.1.6
    Found link https://pypi.python.org/packages/15/2f/6e050f32add2f49d5d95f57a34521524c9a44a8c5d220b2d845548bc8629/simplejson-1.8.tar.gz#md5=7aa92cf4a81973c7087023cafeaddb18 (from https://pypi.python.org/simple/simplejson/), version: 1.8
    Skipping link https://pypi.python.org/packages/17/5c/eab77142d1ea663a9dc8db2204310244aee562f064dbe7e3c8d9e826126c/simplejson-1.7.2-py2.5-macosx-10.3-fat.egg#md5=1990127f3681225dae91237610cb3b38 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/1a/5d/ffbb7110f0ae7caffabc0e190aa8c966e77e6956f3f2b7cd462a3acba4fd/simplejson-3.6.0.tar.gz#md5=20e1880a8c6120b54077bfac50306823 (from https://pypi.python.org/simple/simplejson/), version: 3.6.0
    Skipping link https://pypi.python.org/packages/1c/f8/537afca9055d31f7adc937c09850992a1c74a98f92a20bc9e4846aaea3f1/simplejson-1.6-py2.4.egg#md5=3f823c551581a98b2974155656063ce1 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/23/57/4343577e65a5457f9ec9af0a5f1a83cfe93591330240dab0ed78f67df82e/simplejson-2.1.0.tar.gz#md5=3ea565fd1216462162c6929b264cf365 (from https://pypi.python.org/simple/simplejson/), version: 2.1.0
    Skipping link https://pypi.python.org/packages/23/ed/076613802d04628d01e2aad8092c6a6b94c5568ccd89dbd6f5a3e79bc5ea/simplejson-3.8.2.win-amd64-py2.7.exe#md5=0c896cf72c33d183f85c4455ba40b644 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/26/58/02f68b56647ef61c2d756cb8361247e6900f55bd04af709bc12abf883692/simplejson-3.0.6.tar.gz#md5=1d7a90099121f05777e734e7b0034a71 (from https://pypi.python.org/simple/simplejson/), version: 3.0.6
    Skipping link https://pypi.python.org/packages/27/79/e728331639f34286e732c0a8c12f9ca3699df079563f4e8a15607aa1e093/simplejson-3.8.2-cp34-cp34m-win32.whl#md5=7f4d31aba628d991bd911e69cb721c94 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Skipping link https://pypi.python.org/packages/28/5f/939aee29cd289810a79c48c3dc779fc89bc834573b8134895e1b0c4e1342/simplejson-1.3-py2.4.egg#md5=f2f04b9b5282fc2627dae9e3526906af (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/2a/65/ef11a3b3ed482d4684766e8b03445895e242ac317745647eb5e4b0e77072/simplejson-3.0.3.tar.gz#md5=45b9577447af8c2783fc2395d9469c38 (from https://pypi.python.org/simple/simplejson/), version: 3.0.3
    Skipping link https://pypi.python.org/packages/2d/89/e5f5f1d4d1b415ed55ddecd243cf7c83e3c656afa23943066487a6165c9c/simplejson-2.0.7-py2.5-win32.egg#md5=988b06121977a6dc69df30cfda925d13 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/2e/78/f20feb31a6ca60c61103061a289e377ea601c8df3cdd97a2b73971974fe6/simplejson-2.1.4.tar.gz#md5=906404e3cd29cb7f3e1537c55fcb6a5a (from https://pypi.python.org/simple/simplejson/), version: 2.1.4
    Skipping link https://pypi.python.org/packages/2f/7d/c658ad63e482f9d84961bd2de55d5867ab53645770e4bdd6f8d59db2cd7d/simplejson-1.7.1-py2.4.egg#md5=dfc717010a6ee597a43f6b57a9768777 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/2f/80/a45df7359706fc09c662f02529d1dffbcf149faaf512d1ebf52d28d583e2/simplejson-3.5.1.tar.gz#md5=35f9fdfd72d1d94894ec44048b9249f4 (from https://pypi.python.org/simple/simplejson/), version: 3.5.1
    Found link https://pypi.python.org/packages/32/48/b840c414f83c6b9a7051a5ea8862cfda3f1c43a6cfaf434180cd70bbcf5d/simplejson-3.0.8.tar.gz#md5=a3b584dcc6963074c24f391b20edd805 (from https://pypi.python.org/simple/simplejson/), version: 3.0.8
    Found link https://pypi.python.org/packages/36/c9/746cec37ec357c9882011d1d4ed06e6fe27bea48c4272ebbbc7512bcb7da/simplejson-3.8.0.tar.gz#md5=72f3b93a6f9808df81535f79e79565a2 (from https://pypi.python.org/simple/simplejson/), version: 3.8.0
    Found link https://pypi.python.org/packages/37/78/74c808a0f45f77ba9961c935602d9024ea2a7305402d53253ac73c5a9ba5/simplejson-2.5.1.tar.gz#md5=6a8447234a38deed4d17f0bfc673d454 (from https://pypi.python.org/simple/simplejson/), version: 2.5.1
    Found link https://pypi.python.org/packages/40/15/a330ae4a6f78cae7753000d2146a59a6c2cf9ead7b13b68fe949ae487e87/simplejson-3.5.3.tar.gz#md5=d5f62dfa6b6dea31735d56c858361d48 (from https://pypi.python.org/simple/simplejson/), version: 3.5.3
    Skipping link https://pypi.python.org/packages/42/63/8c81dbc55f04245bdebc6af9f39ccf74e7fcfed04ba2e6873800e1e98275/simplejson-2.0.5-py2.5-win32.egg#md5=088c2c2cd564c7029560fb3bb427822d (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/48/1d/587e364554fbed54feccaf93c5d272b84f13e1ae7ecbad6008fb8810efb4/simplejson-1.7.5.tar.gz#md5=649e1095b2600fc57ac34fbde8a88348 (from https://pypi.python.org/simple/simplejson/), version: 1.7.5
    Skipping link https://pypi.python.org/packages/48/7c/1fbfde6569aff09d845df77d4e7cbf96240c08f5b306683c1596639adfa9/simplejson-3.8.2.win-amd64-py3.3.exe#md5=2100a55d5fbc23cde538ed6d7ea713ce (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/49/37/bd51ce20b2007d9b25a0795442673f716f5b95449f4337d1091b264422b8/simplejson-3.0.5.tar.gz#md5=8223d7e17d631a4740a45d4f9d6d1c0d (from https://pypi.python.org/simple/simplejson/), version: 3.0.5
    Skipping link https://pypi.python.org/packages/4f/a3/824b48db2f6477b0d3a10ec4300693206500dfa3267c1d8d9654b9479a28/simplejson-3.8.2-cp33-none-win32.whl#md5=c2d0520368bcdea95c1dc13ce85411cf (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Skipping link https://pypi.python.org/packages/50/c4/d36c953974891437c3e39d5c83e7ec8b4b23c6124c70bb798f48b7a94acd/simplejson-2.0.8-py2.5-win32.egg#md5=dde32f26d7561de7562cdb93073a0716 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/52/f9/30592d4803f132c5b79178320d4c34116bcb832bf06854912223b7df53db/simplejson-2.0.3.tar.gz#md5=6da5d665c9e772ac65eae9b4ce6d737b (from https://pypi.python.org/simple/simplejson/), version: 2.0.3
    Skipping link https://pypi.python.org/packages/53/c3/3ef76de768dfb90e6f6443eb20885feae7a98753a2330315614d9e617ba3/simplejson-2.0.6-py2.5-linux-i686.egg#md5=8808fba6300f41e51a4a956b77f0331e (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/58/a5/15847e5b234954155c9cd8858445ebbfc9ef437c88ebbc18a03fe3abce39/simplejson-2.0.8.tar.gz#md5=29f8a89bcc4d751f4039436ec769807f (from https://pypi.python.org/simple/simplejson/), version: 2.0.8
    Skipping link https://pypi.python.org/packages/59/53/edc3f00a245e4c19802029aaec77f0663ebe6a12425dde32c558e1225d9c/simplejson-2.0.9-py2.5-win32.egg#md5=6c8e1117f875ecc62b4bcea71d615837 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/5a/18/c90285a07ca1867ac388c1fd1c3d0ec76e71d84b98e7555af55c75ec1f05/simplejson-2.0.4.tar.gz#md5=9a888ea017ef2fcd42a2823454950b16 (from https://pypi.python.org/simple/simplejson/), version: 2.0.4
    Skipping link https://pypi.python.org/packages/5a/d2/119ed9838f054a21d1802f113a78d3acba335be0b2564035e779de7c8c67/simplejson-1.7.1-py2.5-macosx-10.3-fat.egg#md5=318ddfca6d052f0c703cfd1e9725792c (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/5a/d6/5bd5ea7742165a42c6f38a37c736d2a7e0a776017c51a7c7d140934c8982/simplejson-3.0.9.tar.gz#md5=ca9a9e44334463d59a83b80412149bde (from https://pypi.python.org/simple/simplejson/), version: 3.0.9
    Found link https://pypi.python.org/packages/5b/9b/486809439af7c04c769aa66c7407c6c41c4a69bd9e7db369953b0a4e02a5/simplejson-1.6.tar.gz#md5=be3e13943a9627a3cfc012e31db0550b (from https://pypi.python.org/simple/simplejson/), version: 1.6
    Skipping link https://pypi.python.org/packages/5d/92/e99858fce47b09dc007d89de1127df943eb94f73b174070b108cb0c96108/simplejson-2.0.8.win32-py2.5.exe#md5=5c84c2fee57bc8f9bc8f43fe41169cd3 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/60/88/5a4a27560d43d4dbe6fdb2d4c0a450f84a998b22dda662662eb4cd275000/simplejson-3.7.3.tar.gz#md5=117346e5ee4ed4434ffe485f8e58f5ed (from https://pypi.python.org/simple/simplejson/), version: 3.7.3
    Skipping link https://pypi.python.org/packages/61/33/d4580a6facc5df10627330c2b9cea2de1faf244b13a30046c12be5de0f6a/simplejson-3.8.2-cp27-cp27m-win32.whl#md5=15b0af033d7412e2ab5dc0cb433a09e2 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/61/c4/47c423a77d4fb7a0409f51526279047c805c9d729bb2a369f0949744880d/simplejson-3.7.1.tar.gz#md5=c76c2d11b87e9fb501bd0b2b72091653 (from https://pypi.python.org/simple/simplejson/), version: 3.7.1
    Skipping link https://pypi.python.org/packages/63/d3/7a22b69c394aea9ef3f95f1fd40758bc76a1207bd6139a2dce21a1f72350/simplejson-1.1-py2.4.egg#md5=af24eddbfe7b8ac79d582d66d8ac6120 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/67/9f/c62ff377ba04afbb37ede3721ab36ef1541a6875771432bf88edade80fee/simplejson-2.0.7.win32-py2.5.exe#md5=f5285850f9f73cac99ecdb0e415ec4fc (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/68/28/dd77e513d2b9e3be7bcc5d36316b675db21ee56784c8e1b0727a83c9666c/simplejson-3.6.2.tar.gz#md5=deca871b9bfa4b76ea360756b2a22710 (from https://pypi.python.org/simple/simplejson/), version: 3.6.2
    Skipping link https://pypi.python.org/packages/6a/86/a5eb01d927d985f0af9f9651d9c0d9715bc1b502aa6f0ea5a3cdaeb09aeb/simplejson-3.8.2.win32-py2.7.exe#md5=7e883fdee219af5d36cb90e6b160fa9f (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Skipping link https://pypi.python.org/packages/6b/ce/33cce790bcada3e3cf50939155539fd4f8c174b77e568ec1abbedd8664fe/simplejson-1.7-py2.4-linux-i686.egg#md5=f8e2fac9adcdac0fb7601f15ab22e9d2 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/6c/bc/cc266783563ad49861fc88f655212c44986f4b8886bda0d84d0cd358e825/simplejson-2.0.1.tar.gz#md5=ee2d74d695dc63d188fc3d3c6aa0d90a (from https://pypi.python.org/simple/simplejson/), version: 2.0.1
    Found link https://pypi.python.org/packages/6d/89/7f13f099344eea9d6722779a1f165087cb559598107844b1ac5dbd831fb1/simplejson-3.7.2.tar.gz#md5=a5fc7d05d4cb38492285553def5d4b46 (from https://pypi.python.org/simple/simplejson/), version: 3.7.2
    Skipping link https://pypi.python.org/packages/6f/0b/6c92448f9e28fb8a4bbf47d8875f11852aa78ec848dbdc93d84d107df9da/simplejson-1.1-py2.3.egg#md5=4a27d6644ba6a44bf82d5ef438b92d8a (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/70/b0/c8169f6c2b7927614bea25636485992248ae0b1d7bc83858a9185461f57b/simplejson-3.8.1.tar.gz#md5=b8441f1053edd9dc335ded8c7f98a974 (from https://pypi.python.org/simple/simplejson/), version: 3.8.1
    Found link https://pypi.python.org/packages/71/21/ea1e3b63cbb6d63599ae325f54007142f9e3f1b944a0b46d85462bfce743/simplejson-2.3.1.tar.gz#md5=7df18b96cac866393fc2f4a12bd425ab (from https://pypi.python.org/simple/simplejson/), version: 2.3.1
    Found link https://pypi.python.org/packages/74/3a/442688ce81f338e744d5cfc23960ec6c201780a44ca3c179f7a7abec3929/simplejson-3.1.2.tar.gz#md5=95f89e4a6079946a9bfc7f6424f71e15 (from https://pypi.python.org/simple/simplejson/), version: 3.1.2
    Found link https://pypi.python.org/packages/75/5f/5b8ccb86152b17dba40755187d0987636b51bf54cf5e5afadfb0b8bb7f69/simplejson-2.4.0.tar.gz#md5=0020e2b33ee8a9b156e0652a96d9eeba (from https://pypi.python.org/simple/simplejson/), version: 2.4.0
    Found link https://pypi.python.org/packages/75/ea/c5fb0b1c93c7569602130660c031b4110026128be7d4d3df6e58cdc57dda/simplejson-2.3.3.tar.gz#md5=c4ae3452606f2ab173cdfaf5c46823c4 (from https://pypi.python.org/simple/simplejson/), version: 2.3.3
    Found link https://pypi.python.org/packages/76/32/f8a9c3c26fbca56b17ed427ef0c584765f928c65c501f4c03890425d1801/simplejson-3.5.0.tar.gz#md5=7c4c4ccb81b8c21ffffdbd19d0d57d03 (from https://pypi.python.org/simple/simplejson/), version: 3.5.0
    Found link https://pypi.python.org/packages/78/e2/704d85dd809d6b06e427004f6a841ae9b9c4dd1403c353cba6dd7003cda1/simplejson-1.7.tar.gz#md5=1e8866f758ef8e7d5fe6ebeb1b26e4eb (from https://pypi.python.org/simple/simplejson/), version: 1.7
    Skipping link https://pypi.python.org/packages/79/97/d0e894ea07b183ceecc515d447f1a0d83b1326435ef7721507cde28d436a/simplejson-1.7.1-py2.4-macosx-10.3-fat.egg#md5=c8933b5073f0bbeedd61b2de2a567907 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/79/9f/f6e2793254c8f87919d92abc42ef7d05aba5ca06ab590582ad32fa47be4f/simplejson-3.8.2-cp35-cp35m-macosx_10_9_x86_64.whl#md5=5a8d46930c05a45e3b6b35d5ff10478f (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/7b/fc/c9f73105f57fde6731ff696d2425d0b292456fb3ad3542b59d612cb61caa/simplejson-1.7.1.tar.gz#md5=b723d488ea43583122511263e9c2c93a (from https://pypi.python.org/simple/simplejson/), version: 1.7.1
    Found link https://pypi.python.org/packages/7d/26/0a96584b09faceeb76b690373e9733feb69555ba7d4b29428b7a41848a88/simplejson-2.3.0.tar.gz#md5=aa4a2558247caef13815c7598e7d072f (from https://pypi.python.org/simple/simplejson/), version: 2.3.0
    Skipping link https://pypi.python.org/packages/81/30/2acc6294c9ac63557cae4d45f49500a8a8b99386b9e9f4705860d31b4770/simplejson-1.7-py2.4-macosx-10.3-fat.egg#md5=0b5beb7cb7b0b8ec86971db84e721dae (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/85/9f/3a5a790bb20db716cb84aa7c8c258e9139ec4364eb508165dccf47f7c7b1/simplejson-2.0.7.tar.gz#md5=9d02273f8615b8e3fceda891ffff10d1 (from https://pypi.python.org/simple/simplejson/), version: 2.0.7
    Found link https://pypi.python.org/packages/90/e3/3bc4860dcc593ad06f7992eba9e2ca120217a878605d0e6f8203dadef316/simplejson-2.1.1.tar.gz#md5=0bbe3a2e5e4cac040013733aca159d89 (from https://pypi.python.org/simple/simplejson/), version: 2.1.1
    Found link https://pypi.python.org/packages/91/c0/0e2b3c28123c6263fe71d74143333688fa68ae40885fb9954154f1448fee/simplejson-2.1.2.tar.gz#md5=a856f9ae9ab3749991a93ddeafadc554 (from https://pypi.python.org/simple/simplejson/), version: 2.1.2
    Found link https://pypi.python.org/packages/92/76/5232214c0de8412488b2d031de20482eed6046ca355dc81d5683d9800d54/simplejson-1.1.tar.gz#md5=e7f6899d5a7a389335adb870f9ffa5a4 (from https://pypi.python.org/simple/simplejson/), version: 1.1
    Found link https://pypi.python.org/packages/92/7e/168f2d07999a621af481e4e9f88ae017b2cfa63c59a75b7f86c14e067a60/simplejson-3.1.3.tar.gz#md5=ffb9fdd8ff3225a61b455bb1bcb98e41 (from https://pypi.python.org/simple/simplejson/), version: 3.1.3
    Skipping link https://pypi.python.org/packages/93/25/28c692e1198c334931451f5b682bf5b314f9ce6777fda19d6c443a3558c8/simplejson-2.1.1-py2.5-win32.egg#md5=21079a9827d48b3c11783fd461ccbece (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/9b/d4/5ea7f6728c73135b6d3078a0cfd1f9092864b3dca2a10d01a2418e3f6fba/simplejson-3.8.2.win-amd64-py3.4.exe#md5=5fe2dedc9d1e843ada495fc93729d9f5 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/9e/38/686edaf2e3b64f2028187a90ba34891bc00056a380e66e64561ada156248/simplejson-2.0.5.tar.gz#md5=11e65b91e7fd08eda931e683c5f98543 (from https://pypi.python.org/simple/simplejson/), version: 2.0.5
    Skipping link https://pypi.python.org/packages/9f/a6/fdeb754dd5605566c0650c3e014134faf33a0fad1af290c56a8db259a557/simplejson-3.8.2-cp33-none-win_amd64.whl#md5=54a56f46f016615cf83295e1afc0401f (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/a0/17/e681ea7fbca563bf125d72611f7dfb5af8da4f3c9c1e153a841d5b0019ba/simplejson-1.7.3.tar.gz#md5=03935eda1211f29d6856481baf6cba59 (from https://pypi.python.org/simple/simplejson/), version: 1.7.3
    Found link https://pypi.python.org/packages/a0/21/6600c517d3208d591426ab5da3fd0aaaa278acb820e2949592cd33722057/simplejson-2.6.2.tar.gz#md5=9b41cd412dfac7c002aeca61ab0fdfe2 (from https://pypi.python.org/simple/simplejson/), version: 2.6.2
    Found link https://pypi.python.org/packages/a0/71/ee1b3f7592d3ef270f49d01afc5ac654e0b7391f1e388288c02e5b212822/simplejson-3.6.3.tar.gz#md5=bbb654c2d9b5e3c176af1a22522a458f (from https://pypi.python.org/simple/simplejson/), version: 3.6.3
    Found link https://pypi.python.org/packages/a2/3d/056eed00592dea99ca6c573d20f2397501e25404939d03fba00d7d989438/simplejson-3.6.1.tar.gz#md5=29c9a8f846881c2420a3aea7b3816707 (from https://pypi.python.org/simple/simplejson/), version: 3.6.1
    Skipping link https://pypi.python.org/packages/a2/6f/dfe8e07c856f2f1dd035bcf93ec5d80657dce09af6fe77db5d227fced4bb/simplejson-3.8.2.win32-py3.3.exe#md5=f76dce9e5b587d5af52e62388bdf1a92 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/a2/fe/b8805fa795b0895a86add948936e09ec3ac499ad2e2224f29d6f22fa8aed/simplejson-2.0.0.tar.gz#md5=6a7aea9ecdf5180557ea91027ee2638f (from https://pypi.python.org/simple/simplejson/), version: 2.0.0
    Skipping link https://pypi.python.org/packages/a4/0b/c45933a86b333ea1547d59f1f30ba9da81b98804ca488d7d2167654b8197/simplejson-2.0.6-py2.5-win32.egg#md5=b7ef62af279bdbd9783db43a13775ba6 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/a4/7c/14cf025018ac7edd2ce2a264c49256af65c10af0be1d0983bf7134ca1602/simplejson-1.5-py2.4.egg#md5=ce2b5596a41bff29620971cf419a0b06 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/a8/a8/b2d4b1815471f40178ad45891096e5d816a156587331075207d7581d53c3/simplejson-3.3.3.tar.gz#md5=38ff12d163e5cc8c592d609820869817 (from https://pypi.python.org/simple/simplejson/), version: 3.3.3
    Found link https://pypi.python.org/packages/aa/dc/7750d522255a070184045090121b98147c250d9a64b0682ef9af0fc4d1e9/simplejson-2.2.0.tar.gz#md5=dce9869b0ade3840e4ad7b101cb1877c (from https://pypi.python.org/simple/simplejson/), version: 2.2.0
    Found link https://pypi.python.org/packages/ab/ed/adb65efd60437bc44be4b10030b7c2db0ff53e381be4625e8ba7306cac27/simplejson-3.6.4.tar.gz#md5=141cde5f24347e74ed6771740af7bf4a (from https://pypi.python.org/simple/simplejson/), version: 3.6.4
    Skipping link https://pypi.python.org/packages/ad/68/ce6dd1a7671d1e290f32c033ae80da26d47c66666879b2f8acabce8e3ea5/simplejson-1.7-py2.4.egg#md5=57715b70f546752fc5e7040b8cb70f6e (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/af/04/b4874d808b6a18d4f368d86044114afcfc0bd02c89284b1bd39cc1372758/simplejson-3.6.5.tar.gz#md5=b65dc21c7aaad14c6b4ad0d9179e437d (from https://pypi.python.org/simple/simplejson/), version: 3.6.5
    Found link https://pypi.python.org/packages/af/9d/c1485e743c61ba19bdf23d30636637a11575fa5a49b9c7cdd02bac4f81bf/simplejson-3.3.1.tar.gz#md5=36eec59b63bb852eaaac724ac8985f74 (from https://pypi.python.org/simple/simplejson/), version: 3.3.1
    Skipping link https://pypi.python.org/packages/b0/d1/78b1a71a4a74a2a26d4255f07fe17de8003964e4790c4c6c9dc1e2aecf22/simplejson-1.7.3-py2.5-macosx-10.3-fat.egg#md5=70fff32f30c14e27be7352d2969a58e2 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/b4/ad/03b263b791f6710731af44aaf4c05827ce125b80154360b9a9c89d25598a/simplejson-3.4.1.tar.gz#md5=5ab77a58759fcdfc14ecbe62a0775847 (from https://pypi.python.org/simple/simplejson/), version: 3.4.1
    Skipping link https://pypi.python.org/packages/b5/f2/51cc5e4f2d58d13434f2c1ecbe59b402c6821bc346089b55a80ab08333e5/simplejson-1.4-py2.4.egg#md5=4f18e31fd095cd54e5015e7b7a147093 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/b7/95/8d96d75fdeec6dde184a7c56e70f5b246ed89b0a5088180e4c5cf60b260c/simplejson-1.7-py2.4-freebsd-6.1-RELEASE-p3-i386.egg#md5=ad00231eb03eb08f28e61a319ffc38ac (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/b7/a8/a2d860933e84f658719b0d5070a35ad48974ef789af89e1c5173bf50d068/simplejson-1.7-py2.5-macosx-10.3-fat.egg#md5=6396c696770eab9c523eb60d490410c6 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/ba/9d/e1d260f11755355f299071c913fc5c0d89e0badaffbbab0254bed050b860/simplejson-2.1.1.win32-py2.5.exe#md5=d51f6a4dff29eabf34054903d758f003 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/c0/14/8e90a20ff8a6de53e041631634aa98468edaf4063928462beb9916f442de/simplejson-3.3.2.tar.gz#md5=0bde5ac847d6a79e1d560f7a10d039b2 (from https://pypi.python.org/simple/simplejson/), version: 3.3.2
    Found link https://pypi.python.org/packages/c0/da/944ecd90b6fab7e68fa720c66b495172d6e1635dd45ba852b5158636ff2b/simplejson-1.9.2.tar.gz#md5=9fe5d9a98da5ffc347bfee2ccf386fcb (from https://pypi.python.org/simple/simplejson/), version: 1.9.2
    Found link https://pypi.python.org/packages/c1/f5/4971eb42bbda3d80896948b7fc1af05054fee2c98ae5198076466349eb70/simplejson-2.1.3.tar.gz#md5=58d9b1d8fa17ea4ce205cea088607e02 (from https://pypi.python.org/simple/simplejson/), version: 2.1.3
    Skipping link https://pypi.python.org/packages/c2/a4/36a1e15f60dd358b01a0ef0012a9bb6beaca3ba83377c7e81bab4bf00f6a/simplejson-3.8.2-cp35-cp35m-win32.whl#md5=dd6b1d8078d72a1871c4e176aec3d2a2 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/c4/19/3c538f020dc7460722213807c42620b024da0940ae42781c62e0d9c1856a/simplejson-3.0.4.tar.gz#md5=af6bea9f913481a8a86298c841ffbb27 (from https://pypi.python.org/simple/simplejson/), version: 3.0.4
    Found link https://pypi.python.org/packages/c4/24/5e19a239a8e7b82b0e13768c69913f1b9630009e618d6cf21a142cc80d62/simplejson-2.0.2.tar.gz#md5=4dda296391c71ce60a0a6294192a2f37 (from https://pypi.python.org/simple/simplejson/), version: 2.0.2
    Skipping link https://pypi.python.org/packages/c4/f8/902052dcd8e8ec80794863c17dadd38fff14386478af8437a951d42811c7/simplejson-1.7.1-py2.5.egg#md5=8a2e4e556c8110506e24f125c362f944 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/cc/59/061b1234e45797d3483a6c831ded6428bfddd45ee14fd877df163fba3d72/simplejson-1.7.2.tar.gz#md5=733ebc212e91b60b3b47039a5343c133 (from https://pypi.python.org/simple/simplejson/), version: 1.7.2
    Found link https://pypi.python.org/packages/cc/e6/70bcd6ab30c2da049f19dbbbbf951017967f2009bf735f753bd8aa1bda48/simplejson-2.1.5.tar.gz#md5=03b7833ea09ce2793e516be009d6b169 (from https://pypi.python.org/simple/simplejson/), version: 2.1.5
    Found link https://pypi.python.org/packages/ce/a8/8c94073a26725021dd431bb9cfc20af331332946422eb9b3bd9bb7b525e1/simplejson-1.7.4.tar.gz#md5=0395956395d22657c333a1de57dce2d3 (from https://pypi.python.org/simple/simplejson/), version: 1.7.4
    Skipping link https://pypi.python.org/packages/d2/ff/4f981b545830f50fb415a405b906edbf56e4e3fabd2ee801bc6586b77fb3/simplejson-3.8.2-cp27-cp27m-macosx_10_9_x86_64.whl#md5=e494f1df2cd3b7e639d530d6cf59826c (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/d7/7e/c1ef4dee569deb136146ecf2ab326829bc73e440bf436e4a5986b4602c06/simplejson-2.3.2.tar.gz#md5=0863e016f682f06ead07dd9efad95194 (from https://pypi.python.org/simple/simplejson/), version: 2.3.2
    Skipping link https://pypi.python.org/packages/d8/2a/1d5ed3e33e03c4cc3286f33a017699b9b9f6732a9750044b61e784f8c2fe/simplejson-3.8.2.win-amd64-py3.5.exe#md5=b7943e0e226278d4a116464c001cfd6d (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Skipping link https://pypi.python.org/packages/da/40/b5af944b38112647b658ec0aa14539b635dfdb9d88a72b33b9a547a931cb/simplejson-2.1.0-py2.6-linux-x86_64.egg#md5=f8db9f63f64e636ee07f87c68aebc2dd (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/da/8c/a45815b421e49acad7d3d0db4ba65ba1e5cfa02a30c794fe55954106cb0b/simplejson-2.0.9.tar.gz#md5=af5e67a39ca3408563411d357e6d5e47 (from https://pypi.python.org/simple/simplejson/), version: 2.0.9
    Found link https://pypi.python.org/packages/db/25/aecbe534b210b0c5f5771e0f4043f2b1985cfd5008e2fda91f20283c7a61/simplejson-3.5.2.tar.gz#md5=10ff73aa857b01472a51acb4848fcf8b (from https://pypi.python.org/simple/simplejson/), version: 3.5.2
    Found link https://pypi.python.org/packages/dc/d8/5281a9ba41b849f5804719e23ace1af9306bc9ff4ee6028ba9a36e93c84c/simplejson-2.6.1.tar.gz#md5=03fbb6c4a4d37a767af7848f902e2ad4 (from https://pypi.python.org/simple/simplejson/), version: 2.6.1
    Skipping link https://pypi.python.org/packages/e1/ed/b17dd6282aeaddf6bf84f6f9a1cc5ba6a565e1542df287efe18a8dc59415/simplejson-1.7-py2.4-freebsd-6.2-RELEASE-p3-i386.egg#md5=57cfb485618fba0037e1d2c14a11c2a1 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/e2/c3/840a6b354dd6350e11850d1734e5b85b702e1503cdd23c01af4100fbcddf/simplejson-1.9.1.tar.gz#md5=d2ee608bdf6397b82a7cd53c8602b29e (from https://pypi.python.org/simple/simplejson/), version: 1.9.1
    Found link https://pypi.python.org/packages/e5/68/01d518b9b9b3931b142ac35ffe12cc8d819bef064f0b9baccc78a637193d/simplejson-3.0.0.tar.gz#md5=3e05cca188ed5b24ae9f9756525f38fe (from https://pypi.python.org/simple/simplejson/), version: 3.0.0
    Skipping link https://pypi.python.org/packages/e5/96/efc15a39b1d25ae38aad9af269ec903969443964b8d80bc41b7d80c6967a/simplejson-3.8.2-cp34-cp34m-win_amd64.whl#md5=17bcd107b312aef92c1e6fd2dd563de9 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/e6/4d/2e7399ada7f1381bf0d486d561eb89dcc13f088518b3d234a8fd9f2efca7/simplejson-1.5.tar.gz#md5=16e579c1230e7a0469f9e46b57fb53df (from https://pypi.python.org/simple/simplejson/), version: 1.5
    Found link https://pypi.python.org/packages/e8/bc/14e36f8a8dcd35afac0c02c399061c10fe059d33925dc317c5091a622c23/simplejson-1.3.tar.gz#md5=fbe039b9b863572651a0f665acea34c9 (from https://pypi.python.org/simple/simplejson/), version: 1.3
    Found link https://pypi.python.org/packages/f0/07/26b519e6ebb03c2a74989f7571e6ae6b82e9d7d81b8de6fcdbfc643c7b58/simplejson-3.8.2.tar.gz#md5=53b1371bbf883b129a12d594a97e9a18 (from https://pypi.python.org/simple/simplejson/), version: 3.8.2
    Found link https://pypi.python.org/packages/f3/54/2f1d830ed26876c847ed615d5a3707df9e63f60291e7da4f5ebf96c4c4f6/simplejson-1.4.tar.gz#md5=5fbad786a4b151d44a9b1e1e157e5510 (from https://pypi.python.org/simple/simplejson/), version: 1.4
    Found link https://pypi.python.org/packages/f3/e0/8949888568534046c5c847d26c89a05c05f3151ab06728dbeca2d1621002/simplejson-2.5.2.tar.gz#md5=d7a7acf0bd7681bd116b5c981d2f7959 (from https://pypi.python.org/simple/simplejson/), version: 2.5.2
    Skipping link https://pypi.python.org/packages/f6/7b/42139cedbeb0f163e6aa826968ad2596685d70a0b6aca41c459e6dbf0e39/simplejson-3.8.2.win32-py3.4.exe#md5=346225ce63b37f04ed65249dee3e807d (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Skipping link https://pypi.python.org/packages/f8/77/a173e9f76405a512fcbf19fde8d67044ba50dcc06247692ad7361c90d40a/simplejson-3.8.2-cp35-cp35m-win_amd64.whl#md5=16af5ae6d2532e87f854334ae6a805b2 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/f9/23/59bef8b926cab8d5b83c6713f51fabae10998ed285ad0336d12e3245b186/simplejson-2.6.0.tar.gz#md5=43b43b22f190a999c79a2af0c504e3a6 (from https://pypi.python.org/simple/simplejson/), version: 2.6.0
    Found link https://pypi.python.org/packages/f9/2c/553cb310570a14ef10b34fd7660accf0f6a4d1fefd747c98241a18fcb43d/simplejson-2.0.6.tar.gz#md5=1c200c8d5ba910706bad0618389e9e3c (from https://pypi.python.org/simple/simplejson/), version: 2.0.6
    Found link https://pypi.python.org/packages/fc/7c/f9cec79ab9c8fc190821c69fdbcb15ecba438ff35f13b3f8d9675efcfd0d/simplejson-3.3.0.tar.gz#md5=0e29b393bceac8081fa4e93ff9f6a001 (from https://pypi.python.org/simple/simplejson/), version: 3.3.0
    Found link https://pypi.python.org/packages/fc/b0/847668a90540ad96d88a8adf48d489468fbb6dbb219567b7ed8fd4d9b8b5/simplejson-2.5.0.tar.gz#md5=3160556224e3e0cd9605c101eb0de3b9 (from https://pypi.python.org/simple/simplejson/), version: 2.5.0
    Found link https://pypi.python.org/packages/fc/b8/b5142475e34dc9b8a495571b846569e9c9f9c5e481a845ebc21de86a48a0/simplejson-1.9.tar.gz#md5=8780ac416325d22a59252f7cd9561373 (from https://pypi.python.org/simple/simplejson/), version: 1.9
    Skipping link https://pypi.python.org/packages/fe/1a/2a707ec5184a13d248cc289e31ae158f60b3170e07bac7311e1ae11f2c09/simplejson-3.8.2.win32-py3.5.exe#md5=4c6bf303007faf445c44ff6e27231d78 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
  Using version 3.8.2 (newest of versions: 1.1, 1.3, 1.4, 1.5, 1.6, 1.7, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.7.5, 1.8, 1.8.1, 1.9, 1.9.1, 1.9.2, 1.9.3, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.6, 2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.4.0, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2, 3.0.0, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.1.0, 3.1.2, 3.1.3, 3.2.0, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.4.0, 3.4.1, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.4, 3.6.5, 3.7.0, 3.7.1, 3.7.2, 3.7.3, 3.8.0, 3.8.1, 3.8.2)
  Using cached wheel link: file:///home/porn/.cache/pip/wheels/e4/32/71/60b361b0d05433eb9d1dd3d47619931c08cc4e387dc494ad3c/simplejson-3.8.2-cp27-cp27mu-linux_x86_64.whl
Installing collected packages: simplejson

Successfully installed simplejson-3.8.2
Cleaning up...
Segmentation fault (core dumped)

Hope that helps...

porn commented Aug 31, 2016

Hey there!

I managed to reproduce the error on Kubuntu 16.04:

~$ lsb_release -a
LSB Version:    core-9.20160110ubuntu0.2-amd64:core-9.20160110ubuntu0.2-noarch:security-9.20160110ubuntu0.2-amd64:security-9.20160110ubuntu0.2-noarch
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.1 LTS
Release:        16.04
Codename:       xenial
~$ mkdir test
~$ cd test
~/test$ virtualenv --version
15.0.1
~/test$ virtualenv .
New python executable in /home/porn/test/bin/python
Installing setuptools, pip, wheel...done.
~/test$ . bin/activate
~/test$ python --version
Python 2.7.12
~/test$ pip -V
pip 8.1.2 from /home/porn/test/local/lib/python2.7/site-packages (python 2.7)
~/test$ pip install simplejson
Collecting simplejson
Installing collected packages: simplejson
Successfully installed simplejson-3.8.2
~/test$ pip install simplejson
Requirement already satisfied (use --upgrade to upgrade): simplejson in ./lib/python2.7/site-packages
~/test$ pip install --upgrade simplejson
Requirement already up-to-date: simplejson in ./lib/python2.7/site-packages
~/test$ pip install --ignore-installed simplejson
Collecting simplejson
Installing collected packages: simplejson
Successfully installed simplejson-3.8.2
Segmentation fault (core dumped)

now let's verbose the last command:

$ pip install --ignore-installed --verbose simplejson
Collecting simplejson
  1 location(s) to search for versions of simplejson:
  * https://pypi.python.org/simple/simplejson/
  Getting page https://pypi.python.org/simple/simplejson/
  Looking up "https://pypi.python.org/simple/simplejson/" in the cache
  Current age based on date: 715
  Freshness lifetime from max-age: 600
  Freshness lifetime from request max-age: 600                                                                                                                            
  The cached response is "stale" with no etag, purging                                                                                                                    
  Starting new HTTPS connection (1): pypi.python.org                                                                                                                      
  "GET /simple/simplejson/ HTTP/1.1" 200 9556                                                                                                                             
  Updating cache with response from "https://pypi.python.org/simple/simplejson/"                                                                                          
  Caching b/c date exists and max-age > 0                                                                                                                                 
  Analyzing links from page https://pypi.python.org/simple/simplejson/                                                                                                    
    Found link https://pypi.python.org/packages/00/21/2f3234aac78dac7a585cc6c9a1911d4618b20ae7f800b2ae60cb53395555/simplejson-3.0.7.tar.gz#md5=f674e9035aee1064dae90b22aa76ea98 (from https://pypi.python.org/simple/simplejson/), version: 3.0.7
    Found link https://pypi.python.org/packages/00/d2/4cf1c749787c526b4177eec3eed9d39f94f6db0a5f3b3b9e438d9fa22cfe/simplejson-3.4.0.tar.gz#md5=c076e04916679e4b08ec30f23844fbbf (from https://pypi.python.org/simple/simplejson/), version: 3.4.0
    Found link https://pypi.python.org/packages/03/b5/0c05aa0c96191c0a9e802947c07805183a39b7293210a31873cc8a27c081/simplejson-1.9.3.tar.gz#md5=321f7ad3a347e5a11814bcfecf8b9d11 (from https://pypi.python.org/simple/simplejson/), version: 1.9.3
    Found link https://pypi.python.org/packages/06/b5/4ddb273e222c4adfd682c240218b56482edf5fde6db32bddfe27b15af107/simplejson-1.8.1.tar.gz#md5=7d024d6ae74abb269637be204e132bdc (from https://pypi.python.org/simple/simplejson/), version: 1.8.1
    Found link https://pypi.python.org/packages/08/aa/49ce621718cb55f27cc9bc85e38cc552bfb90e281889c155b0a59d2b01ec/simplejson-2.2.1.tar.gz#md5=070c6467462bd63306f1756b01df6d70 (from https://pypi.python.org/simple/simplejson/), version: 2.2.1
    Found link https://pypi.python.org/packages/0a/b1/afd54fbf20d5de1a86e71e1161672f51927e36668c588a32816f681c2aa7/simplejson-3.2.0.tar.gz#md5=b37e7b984ce8c7a0c2260ba080d9aaee (from https://pypi.python.org/simple/simplejson/), version: 3.2.0
    Found link https://pypi.python.org/packages/0b/70/953effcdebfa37dccca2f3f7133e36374893fb3626700df22206424b9457/simplejson-3.1.0.tar.gz#md5=71df0076d4a35d29bfea530cb8226c26 (from https://pypi.python.org/simple/simplejson/), version: 3.1.0
    Found link https://pypi.python.org/packages/0e/2b/b3832e26935f4f8da6dcba84c145df4deb66744c0e4b2d5068d7ca0c4c87/simplejson-3.7.0.tar.gz#md5=70411c56940f7ebd71e79ec7c038a52a (from https://pypi.python.org/simple/simplejson/), version: 3.7.0
    Skipping link https://pypi.python.org/packages/0e/d0/c100f847db21ebb8d14647d38ba2de5a0fc80a579eed48b7fb025dd21b21/simplejson-1.7-py2.5.egg#md5=48275afc9a7a5612ae862c62e8352c36 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/11/4c/4460c7f6a5c40ad5b9d1906f4ab10d7b751b4ace636980e282cc3eb5e821/simplejson-3.8.2-cp27-cp27m-win_amd64.whl#md5=38f06b00907da4f205d825ccb247e5a1 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/12/e0/7e182b0eefbde10463288ac3c43256710ba67051ec30b985928d722b07ed/simplejson-2.1.6.tar.gz#md5=2f8351f6e6fe7ef25744805dfa56c0d5 (from https://pypi.python.org/simple/simplejson/), version: 2.1.6
    Found link https://pypi.python.org/packages/15/2f/6e050f32add2f49d5d95f57a34521524c9a44a8c5d220b2d845548bc8629/simplejson-1.8.tar.gz#md5=7aa92cf4a81973c7087023cafeaddb18 (from https://pypi.python.org/simple/simplejson/), version: 1.8
    Skipping link https://pypi.python.org/packages/17/5c/eab77142d1ea663a9dc8db2204310244aee562f064dbe7e3c8d9e826126c/simplejson-1.7.2-py2.5-macosx-10.3-fat.egg#md5=1990127f3681225dae91237610cb3b38 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/1a/5d/ffbb7110f0ae7caffabc0e190aa8c966e77e6956f3f2b7cd462a3acba4fd/simplejson-3.6.0.tar.gz#md5=20e1880a8c6120b54077bfac50306823 (from https://pypi.python.org/simple/simplejson/), version: 3.6.0
    Skipping link https://pypi.python.org/packages/1c/f8/537afca9055d31f7adc937c09850992a1c74a98f92a20bc9e4846aaea3f1/simplejson-1.6-py2.4.egg#md5=3f823c551581a98b2974155656063ce1 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/23/57/4343577e65a5457f9ec9af0a5f1a83cfe93591330240dab0ed78f67df82e/simplejson-2.1.0.tar.gz#md5=3ea565fd1216462162c6929b264cf365 (from https://pypi.python.org/simple/simplejson/), version: 2.1.0
    Skipping link https://pypi.python.org/packages/23/ed/076613802d04628d01e2aad8092c6a6b94c5568ccd89dbd6f5a3e79bc5ea/simplejson-3.8.2.win-amd64-py2.7.exe#md5=0c896cf72c33d183f85c4455ba40b644 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/26/58/02f68b56647ef61c2d756cb8361247e6900f55bd04af709bc12abf883692/simplejson-3.0.6.tar.gz#md5=1d7a90099121f05777e734e7b0034a71 (from https://pypi.python.org/simple/simplejson/), version: 3.0.6
    Skipping link https://pypi.python.org/packages/27/79/e728331639f34286e732c0a8c12f9ca3699df079563f4e8a15607aa1e093/simplejson-3.8.2-cp34-cp34m-win32.whl#md5=7f4d31aba628d991bd911e69cb721c94 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Skipping link https://pypi.python.org/packages/28/5f/939aee29cd289810a79c48c3dc779fc89bc834573b8134895e1b0c4e1342/simplejson-1.3-py2.4.egg#md5=f2f04b9b5282fc2627dae9e3526906af (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/2a/65/ef11a3b3ed482d4684766e8b03445895e242ac317745647eb5e4b0e77072/simplejson-3.0.3.tar.gz#md5=45b9577447af8c2783fc2395d9469c38 (from https://pypi.python.org/simple/simplejson/), version: 3.0.3
    Skipping link https://pypi.python.org/packages/2d/89/e5f5f1d4d1b415ed55ddecd243cf7c83e3c656afa23943066487a6165c9c/simplejson-2.0.7-py2.5-win32.egg#md5=988b06121977a6dc69df30cfda925d13 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/2e/78/f20feb31a6ca60c61103061a289e377ea601c8df3cdd97a2b73971974fe6/simplejson-2.1.4.tar.gz#md5=906404e3cd29cb7f3e1537c55fcb6a5a (from https://pypi.python.org/simple/simplejson/), version: 2.1.4
    Skipping link https://pypi.python.org/packages/2f/7d/c658ad63e482f9d84961bd2de55d5867ab53645770e4bdd6f8d59db2cd7d/simplejson-1.7.1-py2.4.egg#md5=dfc717010a6ee597a43f6b57a9768777 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/2f/80/a45df7359706fc09c662f02529d1dffbcf149faaf512d1ebf52d28d583e2/simplejson-3.5.1.tar.gz#md5=35f9fdfd72d1d94894ec44048b9249f4 (from https://pypi.python.org/simple/simplejson/), version: 3.5.1
    Found link https://pypi.python.org/packages/32/48/b840c414f83c6b9a7051a5ea8862cfda3f1c43a6cfaf434180cd70bbcf5d/simplejson-3.0.8.tar.gz#md5=a3b584dcc6963074c24f391b20edd805 (from https://pypi.python.org/simple/simplejson/), version: 3.0.8
    Found link https://pypi.python.org/packages/36/c9/746cec37ec357c9882011d1d4ed06e6fe27bea48c4272ebbbc7512bcb7da/simplejson-3.8.0.tar.gz#md5=72f3b93a6f9808df81535f79e79565a2 (from https://pypi.python.org/simple/simplejson/), version: 3.8.0
    Found link https://pypi.python.org/packages/37/78/74c808a0f45f77ba9961c935602d9024ea2a7305402d53253ac73c5a9ba5/simplejson-2.5.1.tar.gz#md5=6a8447234a38deed4d17f0bfc673d454 (from https://pypi.python.org/simple/simplejson/), version: 2.5.1
    Found link https://pypi.python.org/packages/40/15/a330ae4a6f78cae7753000d2146a59a6c2cf9ead7b13b68fe949ae487e87/simplejson-3.5.3.tar.gz#md5=d5f62dfa6b6dea31735d56c858361d48 (from https://pypi.python.org/simple/simplejson/), version: 3.5.3
    Skipping link https://pypi.python.org/packages/42/63/8c81dbc55f04245bdebc6af9f39ccf74e7fcfed04ba2e6873800e1e98275/simplejson-2.0.5-py2.5-win32.egg#md5=088c2c2cd564c7029560fb3bb427822d (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/48/1d/587e364554fbed54feccaf93c5d272b84f13e1ae7ecbad6008fb8810efb4/simplejson-1.7.5.tar.gz#md5=649e1095b2600fc57ac34fbde8a88348 (from https://pypi.python.org/simple/simplejson/), version: 1.7.5
    Skipping link https://pypi.python.org/packages/48/7c/1fbfde6569aff09d845df77d4e7cbf96240c08f5b306683c1596639adfa9/simplejson-3.8.2.win-amd64-py3.3.exe#md5=2100a55d5fbc23cde538ed6d7ea713ce (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/49/37/bd51ce20b2007d9b25a0795442673f716f5b95449f4337d1091b264422b8/simplejson-3.0.5.tar.gz#md5=8223d7e17d631a4740a45d4f9d6d1c0d (from https://pypi.python.org/simple/simplejson/), version: 3.0.5
    Skipping link https://pypi.python.org/packages/4f/a3/824b48db2f6477b0d3a10ec4300693206500dfa3267c1d8d9654b9479a28/simplejson-3.8.2-cp33-none-win32.whl#md5=c2d0520368bcdea95c1dc13ce85411cf (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Skipping link https://pypi.python.org/packages/50/c4/d36c953974891437c3e39d5c83e7ec8b4b23c6124c70bb798f48b7a94acd/simplejson-2.0.8-py2.5-win32.egg#md5=dde32f26d7561de7562cdb93073a0716 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/52/f9/30592d4803f132c5b79178320d4c34116bcb832bf06854912223b7df53db/simplejson-2.0.3.tar.gz#md5=6da5d665c9e772ac65eae9b4ce6d737b (from https://pypi.python.org/simple/simplejson/), version: 2.0.3
    Skipping link https://pypi.python.org/packages/53/c3/3ef76de768dfb90e6f6443eb20885feae7a98753a2330315614d9e617ba3/simplejson-2.0.6-py2.5-linux-i686.egg#md5=8808fba6300f41e51a4a956b77f0331e (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/58/a5/15847e5b234954155c9cd8858445ebbfc9ef437c88ebbc18a03fe3abce39/simplejson-2.0.8.tar.gz#md5=29f8a89bcc4d751f4039436ec769807f (from https://pypi.python.org/simple/simplejson/), version: 2.0.8
    Skipping link https://pypi.python.org/packages/59/53/edc3f00a245e4c19802029aaec77f0663ebe6a12425dde32c558e1225d9c/simplejson-2.0.9-py2.5-win32.egg#md5=6c8e1117f875ecc62b4bcea71d615837 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/5a/18/c90285a07ca1867ac388c1fd1c3d0ec76e71d84b98e7555af55c75ec1f05/simplejson-2.0.4.tar.gz#md5=9a888ea017ef2fcd42a2823454950b16 (from https://pypi.python.org/simple/simplejson/), version: 2.0.4
    Skipping link https://pypi.python.org/packages/5a/d2/119ed9838f054a21d1802f113a78d3acba335be0b2564035e779de7c8c67/simplejson-1.7.1-py2.5-macosx-10.3-fat.egg#md5=318ddfca6d052f0c703cfd1e9725792c (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/5a/d6/5bd5ea7742165a42c6f38a37c736d2a7e0a776017c51a7c7d140934c8982/simplejson-3.0.9.tar.gz#md5=ca9a9e44334463d59a83b80412149bde (from https://pypi.python.org/simple/simplejson/), version: 3.0.9
    Found link https://pypi.python.org/packages/5b/9b/486809439af7c04c769aa66c7407c6c41c4a69bd9e7db369953b0a4e02a5/simplejson-1.6.tar.gz#md5=be3e13943a9627a3cfc012e31db0550b (from https://pypi.python.org/simple/simplejson/), version: 1.6
    Skipping link https://pypi.python.org/packages/5d/92/e99858fce47b09dc007d89de1127df943eb94f73b174070b108cb0c96108/simplejson-2.0.8.win32-py2.5.exe#md5=5c84c2fee57bc8f9bc8f43fe41169cd3 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/60/88/5a4a27560d43d4dbe6fdb2d4c0a450f84a998b22dda662662eb4cd275000/simplejson-3.7.3.tar.gz#md5=117346e5ee4ed4434ffe485f8e58f5ed (from https://pypi.python.org/simple/simplejson/), version: 3.7.3
    Skipping link https://pypi.python.org/packages/61/33/d4580a6facc5df10627330c2b9cea2de1faf244b13a30046c12be5de0f6a/simplejson-3.8.2-cp27-cp27m-win32.whl#md5=15b0af033d7412e2ab5dc0cb433a09e2 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/61/c4/47c423a77d4fb7a0409f51526279047c805c9d729bb2a369f0949744880d/simplejson-3.7.1.tar.gz#md5=c76c2d11b87e9fb501bd0b2b72091653 (from https://pypi.python.org/simple/simplejson/), version: 3.7.1
    Skipping link https://pypi.python.org/packages/63/d3/7a22b69c394aea9ef3f95f1fd40758bc76a1207bd6139a2dce21a1f72350/simplejson-1.1-py2.4.egg#md5=af24eddbfe7b8ac79d582d66d8ac6120 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/67/9f/c62ff377ba04afbb37ede3721ab36ef1541a6875771432bf88edade80fee/simplejson-2.0.7.win32-py2.5.exe#md5=f5285850f9f73cac99ecdb0e415ec4fc (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/68/28/dd77e513d2b9e3be7bcc5d36316b675db21ee56784c8e1b0727a83c9666c/simplejson-3.6.2.tar.gz#md5=deca871b9bfa4b76ea360756b2a22710 (from https://pypi.python.org/simple/simplejson/), version: 3.6.2
    Skipping link https://pypi.python.org/packages/6a/86/a5eb01d927d985f0af9f9651d9c0d9715bc1b502aa6f0ea5a3cdaeb09aeb/simplejson-3.8.2.win32-py2.7.exe#md5=7e883fdee219af5d36cb90e6b160fa9f (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Skipping link https://pypi.python.org/packages/6b/ce/33cce790bcada3e3cf50939155539fd4f8c174b77e568ec1abbedd8664fe/simplejson-1.7-py2.4-linux-i686.egg#md5=f8e2fac9adcdac0fb7601f15ab22e9d2 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/6c/bc/cc266783563ad49861fc88f655212c44986f4b8886bda0d84d0cd358e825/simplejson-2.0.1.tar.gz#md5=ee2d74d695dc63d188fc3d3c6aa0d90a (from https://pypi.python.org/simple/simplejson/), version: 2.0.1
    Found link https://pypi.python.org/packages/6d/89/7f13f099344eea9d6722779a1f165087cb559598107844b1ac5dbd831fb1/simplejson-3.7.2.tar.gz#md5=a5fc7d05d4cb38492285553def5d4b46 (from https://pypi.python.org/simple/simplejson/), version: 3.7.2
    Skipping link https://pypi.python.org/packages/6f/0b/6c92448f9e28fb8a4bbf47d8875f11852aa78ec848dbdc93d84d107df9da/simplejson-1.1-py2.3.egg#md5=4a27d6644ba6a44bf82d5ef438b92d8a (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/70/b0/c8169f6c2b7927614bea25636485992248ae0b1d7bc83858a9185461f57b/simplejson-3.8.1.tar.gz#md5=b8441f1053edd9dc335ded8c7f98a974 (from https://pypi.python.org/simple/simplejson/), version: 3.8.1
    Found link https://pypi.python.org/packages/71/21/ea1e3b63cbb6d63599ae325f54007142f9e3f1b944a0b46d85462bfce743/simplejson-2.3.1.tar.gz#md5=7df18b96cac866393fc2f4a12bd425ab (from https://pypi.python.org/simple/simplejson/), version: 2.3.1
    Found link https://pypi.python.org/packages/74/3a/442688ce81f338e744d5cfc23960ec6c201780a44ca3c179f7a7abec3929/simplejson-3.1.2.tar.gz#md5=95f89e4a6079946a9bfc7f6424f71e15 (from https://pypi.python.org/simple/simplejson/), version: 3.1.2
    Found link https://pypi.python.org/packages/75/5f/5b8ccb86152b17dba40755187d0987636b51bf54cf5e5afadfb0b8bb7f69/simplejson-2.4.0.tar.gz#md5=0020e2b33ee8a9b156e0652a96d9eeba (from https://pypi.python.org/simple/simplejson/), version: 2.4.0
    Found link https://pypi.python.org/packages/75/ea/c5fb0b1c93c7569602130660c031b4110026128be7d4d3df6e58cdc57dda/simplejson-2.3.3.tar.gz#md5=c4ae3452606f2ab173cdfaf5c46823c4 (from https://pypi.python.org/simple/simplejson/), version: 2.3.3
    Found link https://pypi.python.org/packages/76/32/f8a9c3c26fbca56b17ed427ef0c584765f928c65c501f4c03890425d1801/simplejson-3.5.0.tar.gz#md5=7c4c4ccb81b8c21ffffdbd19d0d57d03 (from https://pypi.python.org/simple/simplejson/), version: 3.5.0
    Found link https://pypi.python.org/packages/78/e2/704d85dd809d6b06e427004f6a841ae9b9c4dd1403c353cba6dd7003cda1/simplejson-1.7.tar.gz#md5=1e8866f758ef8e7d5fe6ebeb1b26e4eb (from https://pypi.python.org/simple/simplejson/), version: 1.7
    Skipping link https://pypi.python.org/packages/79/97/d0e894ea07b183ceecc515d447f1a0d83b1326435ef7721507cde28d436a/simplejson-1.7.1-py2.4-macosx-10.3-fat.egg#md5=c8933b5073f0bbeedd61b2de2a567907 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/79/9f/f6e2793254c8f87919d92abc42ef7d05aba5ca06ab590582ad32fa47be4f/simplejson-3.8.2-cp35-cp35m-macosx_10_9_x86_64.whl#md5=5a8d46930c05a45e3b6b35d5ff10478f (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/7b/fc/c9f73105f57fde6731ff696d2425d0b292456fb3ad3542b59d612cb61caa/simplejson-1.7.1.tar.gz#md5=b723d488ea43583122511263e9c2c93a (from https://pypi.python.org/simple/simplejson/), version: 1.7.1
    Found link https://pypi.python.org/packages/7d/26/0a96584b09faceeb76b690373e9733feb69555ba7d4b29428b7a41848a88/simplejson-2.3.0.tar.gz#md5=aa4a2558247caef13815c7598e7d072f (from https://pypi.python.org/simple/simplejson/), version: 2.3.0
    Skipping link https://pypi.python.org/packages/81/30/2acc6294c9ac63557cae4d45f49500a8a8b99386b9e9f4705860d31b4770/simplejson-1.7-py2.4-macosx-10.3-fat.egg#md5=0b5beb7cb7b0b8ec86971db84e721dae (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/85/9f/3a5a790bb20db716cb84aa7c8c258e9139ec4364eb508165dccf47f7c7b1/simplejson-2.0.7.tar.gz#md5=9d02273f8615b8e3fceda891ffff10d1 (from https://pypi.python.org/simple/simplejson/), version: 2.0.7
    Found link https://pypi.python.org/packages/90/e3/3bc4860dcc593ad06f7992eba9e2ca120217a878605d0e6f8203dadef316/simplejson-2.1.1.tar.gz#md5=0bbe3a2e5e4cac040013733aca159d89 (from https://pypi.python.org/simple/simplejson/), version: 2.1.1
    Found link https://pypi.python.org/packages/91/c0/0e2b3c28123c6263fe71d74143333688fa68ae40885fb9954154f1448fee/simplejson-2.1.2.tar.gz#md5=a856f9ae9ab3749991a93ddeafadc554 (from https://pypi.python.org/simple/simplejson/), version: 2.1.2
    Found link https://pypi.python.org/packages/92/76/5232214c0de8412488b2d031de20482eed6046ca355dc81d5683d9800d54/simplejson-1.1.tar.gz#md5=e7f6899d5a7a389335adb870f9ffa5a4 (from https://pypi.python.org/simple/simplejson/), version: 1.1
    Found link https://pypi.python.org/packages/92/7e/168f2d07999a621af481e4e9f88ae017b2cfa63c59a75b7f86c14e067a60/simplejson-3.1.3.tar.gz#md5=ffb9fdd8ff3225a61b455bb1bcb98e41 (from https://pypi.python.org/simple/simplejson/), version: 3.1.3
    Skipping link https://pypi.python.org/packages/93/25/28c692e1198c334931451f5b682bf5b314f9ce6777fda19d6c443a3558c8/simplejson-2.1.1-py2.5-win32.egg#md5=21079a9827d48b3c11783fd461ccbece (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/9b/d4/5ea7f6728c73135b6d3078a0cfd1f9092864b3dca2a10d01a2418e3f6fba/simplejson-3.8.2.win-amd64-py3.4.exe#md5=5fe2dedc9d1e843ada495fc93729d9f5 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/9e/38/686edaf2e3b64f2028187a90ba34891bc00056a380e66e64561ada156248/simplejson-2.0.5.tar.gz#md5=11e65b91e7fd08eda931e683c5f98543 (from https://pypi.python.org/simple/simplejson/), version: 2.0.5
    Skipping link https://pypi.python.org/packages/9f/a6/fdeb754dd5605566c0650c3e014134faf33a0fad1af290c56a8db259a557/simplejson-3.8.2-cp33-none-win_amd64.whl#md5=54a56f46f016615cf83295e1afc0401f (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/a0/17/e681ea7fbca563bf125d72611f7dfb5af8da4f3c9c1e153a841d5b0019ba/simplejson-1.7.3.tar.gz#md5=03935eda1211f29d6856481baf6cba59 (from https://pypi.python.org/simple/simplejson/), version: 1.7.3
    Found link https://pypi.python.org/packages/a0/21/6600c517d3208d591426ab5da3fd0aaaa278acb820e2949592cd33722057/simplejson-2.6.2.tar.gz#md5=9b41cd412dfac7c002aeca61ab0fdfe2 (from https://pypi.python.org/simple/simplejson/), version: 2.6.2
    Found link https://pypi.python.org/packages/a0/71/ee1b3f7592d3ef270f49d01afc5ac654e0b7391f1e388288c02e5b212822/simplejson-3.6.3.tar.gz#md5=bbb654c2d9b5e3c176af1a22522a458f (from https://pypi.python.org/simple/simplejson/), version: 3.6.3
    Found link https://pypi.python.org/packages/a2/3d/056eed00592dea99ca6c573d20f2397501e25404939d03fba00d7d989438/simplejson-3.6.1.tar.gz#md5=29c9a8f846881c2420a3aea7b3816707 (from https://pypi.python.org/simple/simplejson/), version: 3.6.1
    Skipping link https://pypi.python.org/packages/a2/6f/dfe8e07c856f2f1dd035bcf93ec5d80657dce09af6fe77db5d227fced4bb/simplejson-3.8.2.win32-py3.3.exe#md5=f76dce9e5b587d5af52e62388bdf1a92 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/a2/fe/b8805fa795b0895a86add948936e09ec3ac499ad2e2224f29d6f22fa8aed/simplejson-2.0.0.tar.gz#md5=6a7aea9ecdf5180557ea91027ee2638f (from https://pypi.python.org/simple/simplejson/), version: 2.0.0
    Skipping link https://pypi.python.org/packages/a4/0b/c45933a86b333ea1547d59f1f30ba9da81b98804ca488d7d2167654b8197/simplejson-2.0.6-py2.5-win32.egg#md5=b7ef62af279bdbd9783db43a13775ba6 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/a4/7c/14cf025018ac7edd2ce2a264c49256af65c10af0be1d0983bf7134ca1602/simplejson-1.5-py2.4.egg#md5=ce2b5596a41bff29620971cf419a0b06 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/a8/a8/b2d4b1815471f40178ad45891096e5d816a156587331075207d7581d53c3/simplejson-3.3.3.tar.gz#md5=38ff12d163e5cc8c592d609820869817 (from https://pypi.python.org/simple/simplejson/), version: 3.3.3
    Found link https://pypi.python.org/packages/aa/dc/7750d522255a070184045090121b98147c250d9a64b0682ef9af0fc4d1e9/simplejson-2.2.0.tar.gz#md5=dce9869b0ade3840e4ad7b101cb1877c (from https://pypi.python.org/simple/simplejson/), version: 2.2.0
    Found link https://pypi.python.org/packages/ab/ed/adb65efd60437bc44be4b10030b7c2db0ff53e381be4625e8ba7306cac27/simplejson-3.6.4.tar.gz#md5=141cde5f24347e74ed6771740af7bf4a (from https://pypi.python.org/simple/simplejson/), version: 3.6.4
    Skipping link https://pypi.python.org/packages/ad/68/ce6dd1a7671d1e290f32c033ae80da26d47c66666879b2f8acabce8e3ea5/simplejson-1.7-py2.4.egg#md5=57715b70f546752fc5e7040b8cb70f6e (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/af/04/b4874d808b6a18d4f368d86044114afcfc0bd02c89284b1bd39cc1372758/simplejson-3.6.5.tar.gz#md5=b65dc21c7aaad14c6b4ad0d9179e437d (from https://pypi.python.org/simple/simplejson/), version: 3.6.5
    Found link https://pypi.python.org/packages/af/9d/c1485e743c61ba19bdf23d30636637a11575fa5a49b9c7cdd02bac4f81bf/simplejson-3.3.1.tar.gz#md5=36eec59b63bb852eaaac724ac8985f74 (from https://pypi.python.org/simple/simplejson/), version: 3.3.1
    Skipping link https://pypi.python.org/packages/b0/d1/78b1a71a4a74a2a26d4255f07fe17de8003964e4790c4c6c9dc1e2aecf22/simplejson-1.7.3-py2.5-macosx-10.3-fat.egg#md5=70fff32f30c14e27be7352d2969a58e2 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/b4/ad/03b263b791f6710731af44aaf4c05827ce125b80154360b9a9c89d25598a/simplejson-3.4.1.tar.gz#md5=5ab77a58759fcdfc14ecbe62a0775847 (from https://pypi.python.org/simple/simplejson/), version: 3.4.1
    Skipping link https://pypi.python.org/packages/b5/f2/51cc5e4f2d58d13434f2c1ecbe59b402c6821bc346089b55a80ab08333e5/simplejson-1.4-py2.4.egg#md5=4f18e31fd095cd54e5015e7b7a147093 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/b7/95/8d96d75fdeec6dde184a7c56e70f5b246ed89b0a5088180e4c5cf60b260c/simplejson-1.7-py2.4-freebsd-6.1-RELEASE-p3-i386.egg#md5=ad00231eb03eb08f28e61a319ffc38ac (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/b7/a8/a2d860933e84f658719b0d5070a35ad48974ef789af89e1c5173bf50d068/simplejson-1.7-py2.5-macosx-10.3-fat.egg#md5=6396c696770eab9c523eb60d490410c6 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Skipping link https://pypi.python.org/packages/ba/9d/e1d260f11755355f299071c913fc5c0d89e0badaffbbab0254bed050b860/simplejson-2.1.1.win32-py2.5.exe#md5=d51f6a4dff29eabf34054903d758f003 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Found link https://pypi.python.org/packages/c0/14/8e90a20ff8a6de53e041631634aa98468edaf4063928462beb9916f442de/simplejson-3.3.2.tar.gz#md5=0bde5ac847d6a79e1d560f7a10d039b2 (from https://pypi.python.org/simple/simplejson/), version: 3.3.2
    Found link https://pypi.python.org/packages/c0/da/944ecd90b6fab7e68fa720c66b495172d6e1635dd45ba852b5158636ff2b/simplejson-1.9.2.tar.gz#md5=9fe5d9a98da5ffc347bfee2ccf386fcb (from https://pypi.python.org/simple/simplejson/), version: 1.9.2
    Found link https://pypi.python.org/packages/c1/f5/4971eb42bbda3d80896948b7fc1af05054fee2c98ae5198076466349eb70/simplejson-2.1.3.tar.gz#md5=58d9b1d8fa17ea4ce205cea088607e02 (from https://pypi.python.org/simple/simplejson/), version: 2.1.3
    Skipping link https://pypi.python.org/packages/c2/a4/36a1e15f60dd358b01a0ef0012a9bb6beaca3ba83377c7e81bab4bf00f6a/simplejson-3.8.2-cp35-cp35m-win32.whl#md5=dd6b1d8078d72a1871c4e176aec3d2a2 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/c4/19/3c538f020dc7460722213807c42620b024da0940ae42781c62e0d9c1856a/simplejson-3.0.4.tar.gz#md5=af6bea9f913481a8a86298c841ffbb27 (from https://pypi.python.org/simple/simplejson/), version: 3.0.4
    Found link https://pypi.python.org/packages/c4/24/5e19a239a8e7b82b0e13768c69913f1b9630009e618d6cf21a142cc80d62/simplejson-2.0.2.tar.gz#md5=4dda296391c71ce60a0a6294192a2f37 (from https://pypi.python.org/simple/simplejson/), version: 2.0.2
    Skipping link https://pypi.python.org/packages/c4/f8/902052dcd8e8ec80794863c17dadd38fff14386478af8437a951d42811c7/simplejson-1.7.1-py2.5.egg#md5=8a2e4e556c8110506e24f125c362f944 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/cc/59/061b1234e45797d3483a6c831ded6428bfddd45ee14fd877df163fba3d72/simplejson-1.7.2.tar.gz#md5=733ebc212e91b60b3b47039a5343c133 (from https://pypi.python.org/simple/simplejson/), version: 1.7.2
    Found link https://pypi.python.org/packages/cc/e6/70bcd6ab30c2da049f19dbbbbf951017967f2009bf735f753bd8aa1bda48/simplejson-2.1.5.tar.gz#md5=03b7833ea09ce2793e516be009d6b169 (from https://pypi.python.org/simple/simplejson/), version: 2.1.5
    Found link https://pypi.python.org/packages/ce/a8/8c94073a26725021dd431bb9cfc20af331332946422eb9b3bd9bb7b525e1/simplejson-1.7.4.tar.gz#md5=0395956395d22657c333a1de57dce2d3 (from https://pypi.python.org/simple/simplejson/), version: 1.7.4
    Skipping link https://pypi.python.org/packages/d2/ff/4f981b545830f50fb415a405b906edbf56e4e3fabd2ee801bc6586b77fb3/simplejson-3.8.2-cp27-cp27m-macosx_10_9_x86_64.whl#md5=e494f1df2cd3b7e639d530d6cf59826c (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/d7/7e/c1ef4dee569deb136146ecf2ab326829bc73e440bf436e4a5986b4602c06/simplejson-2.3.2.tar.gz#md5=0863e016f682f06ead07dd9efad95194 (from https://pypi.python.org/simple/simplejson/), version: 2.3.2
    Skipping link https://pypi.python.org/packages/d8/2a/1d5ed3e33e03c4cc3286f33a017699b9b9f6732a9750044b61e784f8c2fe/simplejson-3.8.2.win-amd64-py3.5.exe#md5=b7943e0e226278d4a116464c001cfd6d (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Skipping link https://pypi.python.org/packages/da/40/b5af944b38112647b658ec0aa14539b635dfdb9d88a72b33b9a547a931cb/simplejson-2.1.0-py2.6-linux-x86_64.egg#md5=f8db9f63f64e636ee07f87c68aebc2dd (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/da/8c/a45815b421e49acad7d3d0db4ba65ba1e5cfa02a30c794fe55954106cb0b/simplejson-2.0.9.tar.gz#md5=af5e67a39ca3408563411d357e6d5e47 (from https://pypi.python.org/simple/simplejson/), version: 2.0.9
    Found link https://pypi.python.org/packages/db/25/aecbe534b210b0c5f5771e0f4043f2b1985cfd5008e2fda91f20283c7a61/simplejson-3.5.2.tar.gz#md5=10ff73aa857b01472a51acb4848fcf8b (from https://pypi.python.org/simple/simplejson/), version: 3.5.2
    Found link https://pypi.python.org/packages/dc/d8/5281a9ba41b849f5804719e23ace1af9306bc9ff4ee6028ba9a36e93c84c/simplejson-2.6.1.tar.gz#md5=03fbb6c4a4d37a767af7848f902e2ad4 (from https://pypi.python.org/simple/simplejson/), version: 2.6.1
    Skipping link https://pypi.python.org/packages/e1/ed/b17dd6282aeaddf6bf84f6f9a1cc5ba6a565e1542df287efe18a8dc59415/simplejson-1.7-py2.4-freebsd-6.2-RELEASE-p3-i386.egg#md5=57cfb485618fba0037e1d2c14a11c2a1 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .egg
    Found link https://pypi.python.org/packages/e2/c3/840a6b354dd6350e11850d1734e5b85b702e1503cdd23c01af4100fbcddf/simplejson-1.9.1.tar.gz#md5=d2ee608bdf6397b82a7cd53c8602b29e (from https://pypi.python.org/simple/simplejson/), version: 1.9.1
    Found link https://pypi.python.org/packages/e5/68/01d518b9b9b3931b142ac35ffe12cc8d819bef064f0b9baccc78a637193d/simplejson-3.0.0.tar.gz#md5=3e05cca188ed5b24ae9f9756525f38fe (from https://pypi.python.org/simple/simplejson/), version: 3.0.0
    Skipping link https://pypi.python.org/packages/e5/96/efc15a39b1d25ae38aad9af269ec903969443964b8d80bc41b7d80c6967a/simplejson-3.8.2-cp34-cp34m-win_amd64.whl#md5=17bcd107b312aef92c1e6fd2dd563de9 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/e6/4d/2e7399ada7f1381bf0d486d561eb89dcc13f088518b3d234a8fd9f2efca7/simplejson-1.5.tar.gz#md5=16e579c1230e7a0469f9e46b57fb53df (from https://pypi.python.org/simple/simplejson/), version: 1.5
    Found link https://pypi.python.org/packages/e8/bc/14e36f8a8dcd35afac0c02c399061c10fe059d33925dc317c5091a622c23/simplejson-1.3.tar.gz#md5=fbe039b9b863572651a0f665acea34c9 (from https://pypi.python.org/simple/simplejson/), version: 1.3
    Found link https://pypi.python.org/packages/f0/07/26b519e6ebb03c2a74989f7571e6ae6b82e9d7d81b8de6fcdbfc643c7b58/simplejson-3.8.2.tar.gz#md5=53b1371bbf883b129a12d594a97e9a18 (from https://pypi.python.org/simple/simplejson/), version: 3.8.2
    Found link https://pypi.python.org/packages/f3/54/2f1d830ed26876c847ed615d5a3707df9e63f60291e7da4f5ebf96c4c4f6/simplejson-1.4.tar.gz#md5=5fbad786a4b151d44a9b1e1e157e5510 (from https://pypi.python.org/simple/simplejson/), version: 1.4
    Found link https://pypi.python.org/packages/f3/e0/8949888568534046c5c847d26c89a05c05f3151ab06728dbeca2d1621002/simplejson-2.5.2.tar.gz#md5=d7a7acf0bd7681bd116b5c981d2f7959 (from https://pypi.python.org/simple/simplejson/), version: 2.5.2
    Skipping link https://pypi.python.org/packages/f6/7b/42139cedbeb0f163e6aa826968ad2596685d70a0b6aca41c459e6dbf0e39/simplejson-3.8.2.win32-py3.4.exe#md5=346225ce63b37f04ed65249dee3e807d (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
    Skipping link https://pypi.python.org/packages/f8/77/a173e9f76405a512fcbf19fde8d67044ba50dcc06247692ad7361c90d40a/simplejson-3.8.2-cp35-cp35m-win_amd64.whl#md5=16af5ae6d2532e87f854334ae6a805b2 (from https://pypi.python.org/simple/simplejson/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/f9/23/59bef8b926cab8d5b83c6713f51fabae10998ed285ad0336d12e3245b186/simplejson-2.6.0.tar.gz#md5=43b43b22f190a999c79a2af0c504e3a6 (from https://pypi.python.org/simple/simplejson/), version: 2.6.0
    Found link https://pypi.python.org/packages/f9/2c/553cb310570a14ef10b34fd7660accf0f6a4d1fefd747c98241a18fcb43d/simplejson-2.0.6.tar.gz#md5=1c200c8d5ba910706bad0618389e9e3c (from https://pypi.python.org/simple/simplejson/), version: 2.0.6
    Found link https://pypi.python.org/packages/fc/7c/f9cec79ab9c8fc190821c69fdbcb15ecba438ff35f13b3f8d9675efcfd0d/simplejson-3.3.0.tar.gz#md5=0e29b393bceac8081fa4e93ff9f6a001 (from https://pypi.python.org/simple/simplejson/), version: 3.3.0
    Found link https://pypi.python.org/packages/fc/b0/847668a90540ad96d88a8adf48d489468fbb6dbb219567b7ed8fd4d9b8b5/simplejson-2.5.0.tar.gz#md5=3160556224e3e0cd9605c101eb0de3b9 (from https://pypi.python.org/simple/simplejson/), version: 2.5.0
    Found link https://pypi.python.org/packages/fc/b8/b5142475e34dc9b8a495571b846569e9c9f9c5e481a845ebc21de86a48a0/simplejson-1.9.tar.gz#md5=8780ac416325d22a59252f7cd9561373 (from https://pypi.python.org/simple/simplejson/), version: 1.9
    Skipping link https://pypi.python.org/packages/fe/1a/2a707ec5184a13d248cc289e31ae158f60b3170e07bac7311e1ae11f2c09/simplejson-3.8.2.win32-py3.5.exe#md5=4c6bf303007faf445c44ff6e27231d78 (from https://pypi.python.org/simple/simplejson/); unsupported archive format: .exe
  Using version 3.8.2 (newest of versions: 1.1, 1.3, 1.4, 1.5, 1.6, 1.7, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.7.5, 1.8, 1.8.1, 1.9, 1.9.1, 1.9.2, 1.9.3, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.6, 2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.4.0, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2, 3.0.0, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.1.0, 3.1.2, 3.1.3, 3.2.0, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.4.0, 3.4.1, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.4, 3.6.5, 3.7.0, 3.7.1, 3.7.2, 3.7.3, 3.8.0, 3.8.1, 3.8.2)
  Using cached wheel link: file:///home/porn/.cache/pip/wheels/e4/32/71/60b361b0d05433eb9d1dd3d47619931c08cc4e387dc494ad3c/simplejson-3.8.2-cp27-cp27mu-linux_x86_64.whl
Installing collected packages: simplejson

Successfully installed simplejson-3.8.2
Cleaning up...
Segmentation fault (core dumped)

Hope that helps...

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porn Sep 1, 2016

Tested on ubuntu 14.04 LTS and it works well:

~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.4 LTS
Release:        14.04
Codename:       trusty
~$ mkdir test
~$ cd test/
~/test$ virtualenv --version
1.11.4
~/test$ virtualenv .
New python executable in ./bin/python
Installing setuptools, pip...done.
~/test$ . bin/activate
~/test$ python --version
Python 2.7.6
~/test$ pip -V
pip 1.5.4 from /home/ubuntu/test/local/lib/python2.7/site-packages (python 2.7)
~/test$ pip install simplejson
Downloading/unpacking simplejson
  Downloading simplejson-3.8.2.tar.gz (76kB): 76kB downloaded
  Running setup.py (path:/home/ubuntu/test/build/simplejson/setup.py) egg_info for package simplejson

Installing collected packages: simplejson
  Running setup.py install for simplejson
    building 'simplejson._speedups' extension
    x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c simplejson/_speedups.c -o build/temp.linux-x86_64-2.7/simplejson/_speedups.o
    x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -Wl,-z,relro -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -D_FORTIFY_SOURCE=2 -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security build/temp.linux-x86_64-2.7/simplejson/_speedups.o -o build/lib.linux-x86_64-2.7/simplejson/_speedups.so

Successfully installed simplejson
Cleaning up...
~/test$ pip install simplejson
Requirement already satisfied (use --upgrade to upgrade): simplejson in ./lib/python2.7/site-packages
Cleaning up...
~/test$ pip install --upgrade simplejson
Requirement already up-to-date: simplejson in ./lib/python2.7/site-packages
Cleaning up...
~/test$ pip install --ignore-installed simplejson
Downloading/unpacking simplejson
  Downloading simplejson-3.8.2.tar.gz (76kB): 76kB downloaded
  Running setup.py (path:/home/ubuntu/test/build/simplejson/setup.py) egg_info for package simplejson

Installing collected packages: simplejson
  Running setup.py install for simplejson
    building 'simplejson._speedups' extension
    x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c simplejson/_speedups.c -o build/temp.linux-x86_64-2.7/simplejson/_speedups.o
    x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -Wl,-z,relro -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -D_FORTIFY_SOURCE=2 -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security build/temp.linux-x86_64-2.7/simplejson/_speedups.o -o build/lib.linux-x86_64-2.7/simplejson/_speedups.so

Successfully installed simplejson
Cleaning up...

porn commented Sep 1, 2016

Tested on ubuntu 14.04 LTS and it works well:

~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.4 LTS
Release:        14.04
Codename:       trusty
~$ mkdir test
~$ cd test/
~/test$ virtualenv --version
1.11.4
~/test$ virtualenv .
New python executable in ./bin/python
Installing setuptools, pip...done.
~/test$ . bin/activate
~/test$ python --version
Python 2.7.6
~/test$ pip -V
pip 1.5.4 from /home/ubuntu/test/local/lib/python2.7/site-packages (python 2.7)
~/test$ pip install simplejson
Downloading/unpacking simplejson
  Downloading simplejson-3.8.2.tar.gz (76kB): 76kB downloaded
  Running setup.py (path:/home/ubuntu/test/build/simplejson/setup.py) egg_info for package simplejson

Installing collected packages: simplejson
  Running setup.py install for simplejson
    building 'simplejson._speedups' extension
    x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c simplejson/_speedups.c -o build/temp.linux-x86_64-2.7/simplejson/_speedups.o
    x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -Wl,-z,relro -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -D_FORTIFY_SOURCE=2 -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security build/temp.linux-x86_64-2.7/simplejson/_speedups.o -o build/lib.linux-x86_64-2.7/simplejson/_speedups.so

Successfully installed simplejson
Cleaning up...
~/test$ pip install simplejson
Requirement already satisfied (use --upgrade to upgrade): simplejson in ./lib/python2.7/site-packages
Cleaning up...
~/test$ pip install --upgrade simplejson
Requirement already up-to-date: simplejson in ./lib/python2.7/site-packages
Cleaning up...
~/test$ pip install --ignore-installed simplejson
Downloading/unpacking simplejson
  Downloading simplejson-3.8.2.tar.gz (76kB): 76kB downloaded
  Running setup.py (path:/home/ubuntu/test/build/simplejson/setup.py) egg_info for package simplejson

Installing collected packages: simplejson
  Running setup.py install for simplejson
    building 'simplejson._speedups' extension
    x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c simplejson/_speedups.c -o build/temp.linux-x86_64-2.7/simplejson/_speedups.o
    x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -Wl,-z,relro -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -D_FORTIFY_SOURCE=2 -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security build/temp.linux-x86_64-2.7/simplejson/_speedups.o -o build/lib.linux-x86_64-2.7/simplejson/_speedups.so

Successfully installed simplejson
Cleaning up...
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overquota Sep 26, 2016

Still segfault if installing from wheel:

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.1 LTS
Release:    14.04
Codename:   trusty

$ pip -V
pip 8.1.2 from /usr/local/lib/python2.7/dist-packages (python 2.7)

$ pip wheel simplejson
Collecting simplejson
  Using cached simplejson-3.8.2.tar.gz
Building wheels for collected packages: simplejson
  Running setup.py bdist_wheel for simplejson ... done
  Stored in directory: /root
Successfully built simplejson

$ pip install -U -I /root/simplejson-3.8.2-cp27-cp27mu-linux_x86_64.whl
Processing ./simplejson-3.8.2-cp27-cp27mu-linux_x86_64.whl
Installing collected packages: simplejson
Successfully installed simplejson-3.8.2
Segmentation fault

overquota commented Sep 26, 2016

Still segfault if installing from wheel:

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.1 LTS
Release:    14.04
Codename:   trusty

$ pip -V
pip 8.1.2 from /usr/local/lib/python2.7/dist-packages (python 2.7)

$ pip wheel simplejson
Collecting simplejson
  Using cached simplejson-3.8.2.tar.gz
Building wheels for collected packages: simplejson
  Running setup.py bdist_wheel for simplejson ... done
  Stored in directory: /root
Successfully built simplejson

$ pip install -U -I /root/simplejson-3.8.2-cp27-cp27mu-linux_x86_64.whl
Processing ./simplejson-3.8.2-cp27-cp27mu-linux_x86_64.whl
Installing collected packages: simplejson
Successfully installed simplejson-3.8.2
Segmentation fault
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