diff --git a/src/api/blackboard_routes.py b/src/api/blackboard_routes.py
index 64038f3..0235560 100644
--- a/src/api/blackboard_routes.py
+++ b/src/api/blackboard_routes.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import json
+import os
 from pathlib import Path
 from typing import Any, Dict, List, Optional