Update app.py

app.py

@@ -179,7 +179,7 @@ async def chat(request: ChatRequest):
             del request.chat_history[-1]
             request.chat_history.append({"role": "user", "parts": [{"text": request.message}]})
 
-            return {"response": response.text, "dataset_str": text_string, "rephrase_response", rephrase_response, "docs": docs, "filtered_docs_and_scores": filtered_docs_and_scores, "history": request.chat_history, "RAG_prompt": rag_prompt, "chunks": chunks}
+            return {"response": response.text, "dataset_str": text_string, "rephrase_response": rephrase_response, "docs": docs, "filtered_docs_and_scores": filtered_docs_and_scores, "history": request.chat_history, "RAG_prompt": rag_prompt, "chunks": chunks}
 
         if request.model_choice == "HF":
             if hf_token: