minor update

app.py

@@ -99,7 +99,7 @@ with gr.Blocks() as demo:
  feedback = upload_to_pinecone(pinecone_api_key, index_name, namespace_name, embeddings, dim, df)
 
  logging.info(feedback)
- if feedback is dict:
+ if isinstance(feedback, dict):
  return f"Retrieved {len(ids)} papers from Zotero. Successfully upserted {feedback['upserted_count']} embeddings in {namespace_name} namespace."
  else :
  return feedback