diff --git a/www/conservancy/apps/ccs_upload/views.py b/www/conservancy/apps/ccs_upload/views.py
index 965c8b0f3d43f1c2611a4d6af385472538e6c0a1..ba203c1dc4bfb7f2daac67df8e08dbec111f13c3 100644
--- a/www/conservancy/apps/ccs_upload/views.py
+++ b/www/conservancy/apps/ccs_upload/views.py
@@ -34,5 +34,5 @@ def _handle_uploaded_file(f):
     logger.info('Wrote uploaded file to {}.'.format(path))
 
 
-def _hash_prefixed_filename(name: str) -> str:
+def _hash_prefixed_filename(name):
     return '{hash:x} {name}'.format(hash=random.getrandbits(32), name=name)