Update app.py

app.py

@@ -62,7 +62,7 @@ def submit_message(prompt, prompt_template, good_foods, bad_foods, temperature,
         answer = {'role': 'assistant', 'content': completion.choices[0].message.content }
         history.append(answer)
 
-        state['total_tokens'] += completion['usage']['total_tokens']
+        state['total_tokens'] += completion.usage.total_tokens
 
         # completion2 = openai.ChatCompletion.create(model="gpt-3.5-turbo", messages=system_prompt + food_priming_prompt + history[-1:] + [classification_msg], temperature=temperature, max_tokens=max_tokens)
         # print(completion2)