Update app.py

app.py

@@ -34,10 +34,12 @@ async def setup_endpoint(req: SetupRequest):
         kb_data = json.load(f)
 
     # Create ChromaDB collection if not exists
-    chroma_client = chromadb.Client(Settings(
-        chroma_db_impl="duckdb+parquet",
-        persist_directory="/data/chroma_db"
-    ))
+    chroma_client = chromadb.Client(
+        Settings(
+            persist_directory="/data/chroma_db",   # store DB here
+            chroma_db_impl="duckdb+parquet"
+        )
+    )
 
     try:
         kb_collection = chroma_client.get_collection("kb_collection")