Update app.py

app.py

@@ -87,7 +87,7 @@ def retrieve_document(query):
         print(f"Error fetching metadata: {metadata_.status_code} - {metadata_.text}")
         return None
     
-     try:
+    try:
         # Load FAISS index from binary response content
         index = faiss.read_index_from_buffer(embeddings_.content)
         print(f"Successfully loaded FAISS index with {index.ntotal} vectors.")