Update excel_chat.py

excel_chat.py

@@ -78,7 +78,7 @@ def ask_llm(query, user_input, client_index, user, keys):
             model=model_map[client_index],
             messages=messageC
         )
-        responseContent = response.choices[0].message.content)
+        responseContent = response.choices[0].message.content
         return responseContent
         
     elif "Groq" in client_index: