diff --git a/tests/settings.py b/tests/settings.py
index e98b7e0..d4547a6 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -7,7 +7,7 @@ DATABASES = {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
         'TEST': {
             'NAME': 'combo-plugin-imio-townstreet-test-%s'
-            % os.environ.get("BRANCH_NAME", "").replace('/', '-')[:40],
+            % os.environ.get('BRANCH_NAME', '').replace('/', '-')[:40],
         },
     }
 }