Update app.py

app.py

@@ -80,7 +80,7 @@ def gpt_vision_call(image_history: list = []):
     stream = client.chat.completions.create(
         model=model_vision,
         messages=image_history,
-        max_tokens=1000,
+        max_tokens=500,
         stream=True,
         user=user_id,
     )