flake8 fixes

Minor style changes to make flake8 pass.

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>

setup.py

@@ -59,4 +59,4 @@ setup(
     },
 
     zip_safe=False,
-    )
+)

stevedore/__init__.py

@@ -1,3 +1,5 @@
+# flake8: noqa
+
 from .extension import ExtensionManager
 from .enabled import EnabledExtensionManager
 from .named import NamedExtensionManager

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py26,py27,py32,py33,pep8
+envlist = py26,py27,py32,py33,style
 
 [testenv]
 commands = nosetests -d --with-coverage --cover-inclusive --cover-package stevedore []
@@ -8,6 +8,6 @@ deps =
     mock
     coverage
 
-[testenv:pep8]
-deps = pep8
-commands = pep8 --repeat --ignore=E123 --show-source stevedore setup.py
+[testenv:style]
+deps = flake8
+commands = flake8 stevedore setup.py