fix pep8

tests/nose_plugin.py

@@ -1,13 +1,13 @@
-import sys
 import nose
 from nose.plugins.base import Plugin
 
+
 class ExtensionPlugin(Plugin):
 
     name = "ExtensionPlugin"
 
     def options(self, parser, env):
-        Plugin.options(self,parser,env)
+        Plugin.options(self, parser, env)
 
     def configure(self, options, config):
         Plugin.configure(self, options, config)
@@ -16,10 +16,10 @@ class ExtensionPlugin(Plugin):
     def wantFile(self, file):
         return file.endswith('.py')
 
-    def wantDirectory(self,directory):
+    def wantDirectory(self, directory):
         return True
 
-    def wantModule(self,file):
+    def wantModule(self, file):
         return True