diff --git a/tests/nose_plugin.py b/tests/nose_plugin.py
index 1db6351..ad32cf0 100644
--- a/tests/nose_plugin.py
+++ b/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)
@@ -16,12 +16,12 @@ 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
 
 
 if __name__ == '__main__':
-    nose.main(addplugins=[ExtensionPlugin()])
\ No newline at end of file
+    nose.main(addplugins=[ExtensionPlugin()])