diff --git a/letta/server/rest_api/routers/v1/sources.py b/letta/server/rest_api/routers/v1/sources.py
index cbec503d..90ac70ec 100644
--- a/letta/server/rest_api/routers/v1/sources.py
+++ b/letta/server/rest_api/routers/v1/sources.py
@@ -1,3 +1,4 @@
+import asyncio
 import mimetypes
 import os
 import tempfile