Install fails on Archlinux

[kaihendry]

After a sudo pip install oauth-proxy:

x220:~$ oauth-proxy                                                                          
Traceback (most recent call last):                                                           
  File "/usr/bin/twistd", line 7, in                                                 
    import _preamble                                                                         
ImportError: No module named '_preamble'                                                     
                                                                                             
During handling of the above exception, another exception occurred:                          
                                                                                             
Traceback (most recent call last):                                                           
  File "/usr/bin/twistd", line 9, in                                                 
    sys.exc_clear()                                                                          
AttributeError: 'module' object has no attribute 'exc_clear'  

[mojodna]

What version of Twisted is installed? What version of Python?

It doesn't look like it's even getting to the oauth-proxy code.