Update app.py

app.py

@@ -3,7 +3,7 @@ from fastapi import FastAPI, Request
 from doc_searcher import DocSearcher
 from suggestion_searcher import SuggestionSearcher
 from huggingface_hub import login
-from config import HUGGING_FACE_API_KEY, COLLECTION_NAME, API_KEY, COLLECTION_NAME_SUGGESTION, METADATA_API
+from config import HUGGING_FACE_API_KEY, COLLECTION_NAME, API_KEY, COLLECTION_NAME_SUGGESTION
 from fastapi.responses import StreamingResponse
 import httpx