add pep8 autoformat checks to travis

.gitignore

@@ -9,4 +9,5 @@ MANIFEST
 .coverage
 .idea/
 __pycache__
-netlib.egg-info/
+netlib.egg-info/
+pathod/

.travis.yml

@@ -7,9 +7,11 @@ python:
 install:
   - "pip install --src . -r requirements.txt"
 # command to run tests, e.g. python setup.py test
-script: 
+script:
   - "nosetests --with-cov --cov-report term-missing"
-after_success: 
+  - "autopep8 -i -r -a -a . && test -z \"$(git status -s)\""
+  - "autoflake -r -i --remove-all-unused-imports --remove-unused-variables . && test -z \"$(git status -s)\""
+after_success:
   - coveralls
 notifications:
   irc:
@@ -22,4 +24,4 @@ cache:
   - /home/travis/virtualenv/python2.7.9/lib/python2.7/site-packages
   - /home/travis/virtualenv/python2.7.9/bin
   - /home/travis/virtualenv/pypy-2.5.0/site-packages
-  - /home/travis/virtualenv/pypy-2.5.0/bin
+  - /home/travis/virtualenv/pypy-2.5.0/bin

setup.py

@@ -50,6 +50,8 @@ setup(
             "nose>=1.3.0",
             "nose-cov>=1.6",
             "coveralls>=0.4.1",
+            "autopep8>=1.0.3",
+            "autoflake>=0.6.6",
             "pathod>=%s, <%s" % (version.MINORVERSION, version.NEXT_MINORVERSION)
         ]
     }