Update app.py

app.py

@@ -19,6 +19,8 @@ processor = AutoProcessor.from_pretrained(model_id)
 model = AutoModelForImageTextToText.from_pretrained(
     model_id, device_map="auto", torch_dtype=torch.bfloat16
 )
+# Update the model's generation config to enable sampling by default
+model.generation_config.do_sample = True
 
 MAX_NUM_IMAGES = int(os.getenv("MAX_NUM_IMAGES", "5"))