diff --git a/beat/web/common/testutils.py b/beat/web/common/testutils.py
index ccb7683ec022185659787b84003a3d07c80502f5..dec0abe8736179068ef18e0d4389a1ba2b7c7033 100644
--- a/beat/web/common/testutils.py
+++ b/beat/web/common/testutils.py
@@ -43,7 +43,7 @@ class BaseTestCase(TestCase):
         model = None
 
 
-    def tearDown():
+    def tearDown(self):
 
         if os.path.exists(settings.CACHE_ROOT):
             shutil.rmtree(settings.CACHE_ROOT)