diff --git a/manage.py b/manage.py
--- a/manage.py
+++ b/manage.py
@@ -26,7 +26,7 @@ def checkers(checker):
             if os.path.splitext(f)[1] == '.py':
                 yield os.path.join(root, f)
 
-    for root, dirs, files in os.walk('./'):
+    for root, dirs, files in os.walk('../'):
         for f in get_files(root, files):
             subprocess.call([checker, f])