Update app.py

app.py

@@ -135,8 +135,7 @@ def retrieve_document(query):
     # Search for the closest document in FAISS index
     _, closest_idx = index.search(query_embedding, 1)
 
-    with open(metadata_file, "r") as f:
-        metadata = [json.loads(line) for line in f]
+    metadata = metadata_.json()
 
     # Check if a relevant document was found
     if closest_idx[0][0] == -1 or str(closest_idx[0][0]) not in metadata: