diff --git a/api/chalicelib/core/modules/__init__.py b/api/chalicelib/core/modules/__init__.py
index 37928a80ab..06d43a9c0b 100644
--- a/api/chalicelib/core/modules/__init__.py
+++ b/api/chalicelib/core/modules/__init__.py
@@ -3,4 +3,4 @@
 
 
 def get_file_key(project_id, session_id):
-    pass
+    return {}