Update app.py

app.py

@@ -123,7 +123,7 @@ If the user is engaging in discussion, try to steer them towards getting in touc
         messages = [{"role": "system", "content": self.system_prompt()}] + history + [{"role": "user", "content": message}]
         done = False
         while not done:
-            response = self.openai.chat.completions.create(model="meta-llama/llama-3.3-8b-instruct:free", messages=messages, tools=tools)
+            response = self.client.chat.completions.create(model="meta-llama/llama-3.3-8b-instruct:free", messages=messages, tools=tools)
             if response.choices[0].finish_reason=="tool_calls":
                 message = response.choices[0].message
                 tool_calls = message.tool_calls