Test PEP8 stuff in separate Travis build.

Author: mdboom

.travis.yml

@@ -5,6 +5,8 @@ env:
     - secure: RgJI7BBL8aX5FTOQe7xiXqWHMxWokd6GNUWp1NUV2mRLXPb9dI0RXqZt3UJwKTAzf1z/OtlHDmEkBoTVK81E9iUxK5npwyyjhJ8yTJmwfQtQF2n51Q1Ww9p+XSLORrOzZc7kAo6Kw6FIXN1pfctgYq2bQkrwJPRx/oPR8f6hcbY=
     - secure: E7OCdqhZ+PlwJcn+Hd6ns9TDJgEUXiUNEI0wu7xjxB2vBRRIKtZMbuaZjd+iKDqCKuVOJKu0ClBUYxmgmpLicTwi34CfTUYt6D4uhrU+8hBBOn1iiK51cl/aBvlUUrqaRLVhukNEBGZcyqAjXSA/Qsnp2iELEmAfOUa92ZYo1sk=
 
+    - TEST_COMMAND="python ../matplotlib/tests.py -sv --processes=8 --process-timeout=300"
+
 before_script:
   - gem install travis-artifacts
 
@@ -16,6 +18,19 @@ python:
   - 3.3
   - 3.4
 
+matrix:
+  include:
+    - python: 2.6
+
+    - python: 2.7
+
+    - python: 3.3
+
+    - python: 3.4
+
+    - python: 2.7
+      env: TEST_COMMAND="nosetests matplotlib.tests.test_coding_standards"
+
 install:
   - pip install -q --use-mirrors nose python-dateutil numpy pep8 pyparsing pillow
   - sudo apt-get update && sudo apt-get -qq install inkscape libav-tools
@@ -31,7 +46,7 @@ script:
   # Generate the font caches in a single process before starting the
   # multiple processes
   - python -c "from matplotlib import font_manager"
-  - python ../matplotlib/tests.py -sv --processes=8 --process-timeout=300
+  - $(TEST_COMMAND)
 
 after_failure:
   - tar cjf result_images.tar.bz2 result_images

lib/matplotlib/__init__.py

@@ -1325,7 +1325,6 @@ def tk_window_focus():
     'matplotlib.tests.test_basic',
     'matplotlib.tests.test_bbox_tight',
     'matplotlib.tests.test_cbook',
-    'matplotlib.tests.test_coding_standards',
     'matplotlib.tests.test_collections',
     'matplotlib.tests.test_colorbar',
     'matplotlib.tests.test_colors',