diff --git a/apiclient/discovery.py b/apiclient/discovery.py
index 1fc33ca..07d96bc 100644
--- a/apiclient/discovery.py
+++ b/apiclient/discovery.py
@@ -20,9 +20,9 @@
 __author__ = 'jcgregorio@google.com (Joe Gregorio)'
 __all__ = [
     'build',
-    'build_from_document'
+    'build_from_document',
     'fix_method_name',
-    'key2param'
+    'key2param',
     ]
 
 import copy