Downgrade django-storges.
This broke in prod.
@@ -104,7 +104,7 @@ django-cors-middleware==1.4.0
user-agents==2.0
# Utilities used to upload build media to cloud storage
-django-storages==1.7.2 # pyup: <1.8
+django-storages==1.7.1 # pyup: <1.8
# Required only in development and linting
django-debug-toolbar==2.0
