Use flake8 everywhere

Correct flake8 warnings in setup.py and change Travis CI test to run flake8 on
the whole distribution.

Author: bd808

.travis.yml

@@ -9,8 +9,7 @@ install:
   - pip install . --use-mirrors
   - pip install -r tests/requirements.txt --use-mirrors
 script:
-  - flake8 iptools
-  - flake8 tests
+  - flake8
   - nosetests
 notifications:
   email:

setup.cfg

@@ -12,3 +12,4 @@ count=1
 show-pep8=1
 show-source=1
 statistics=1
+exclude=build,dist,doc,*.egg,*.egg-info

setup.py

@@ -8,7 +8,7 @@
 if 'nosetests' in sys.argv[1:]:
     setup_requires.append('nose>=1.0')
 
-tests_require=['nose>=1.0']
+tests_require = ['nose>=1.0']
 
 setup(
     name='iptools',
@@ -45,13 +45,13 @@
     Utilities for manipulating IPv4 and IPv6 addresses including a
     class that can be used to include CIDR network blocks in Django's
     INTERNAL_IPS setting.
-    
+
     Full documentation at http://python-iptools.readthedocs.org/
     """,
     zip_safe=False,
     extras_require={
-        'testing':tests_require,
-        },
+        'testing': tests_require,
+    },
 )
 
 # vim: set sw=4 ts=4 sts=4 et :