fix bug

app.py

@@ -11,6 +11,6 @@ sentiment_pipeline = pipeline("text-classification",
 async def get_sentiment(text):
     return sentiment_pipeline([text])
 
-demo = gr.Interface(fn=get_sentiment, inputs="text", outputs="list")
+demo = gr.Interface(fn=get_sentiment, inputs="text", outputs="json")
 
 demo.launch()