Update app.py

app.py

@@ -483,7 +483,7 @@ def generate_rag_response(user_input, retriever, k=3, max_tokens=1500):
     ]
 
     #llm = ChatOpenAI(model="gpt-4o-mini", temperature=0, max_tokens=max_tokens)
-    #response = llm.invoke(messages)
+    #response = llm.invoke(messages) 
     #return {"answer": response.content, "sources": [d.metadata for d in relevant_docs]}
     # You still used ChatOpenAI (from langchain-openai) for generating answers.
     # That’s where the proxies keyword issue blew up, since that part was still using the buggy client.