Update app.py

app.py

@@ -43,7 +43,7 @@ with gr.Blocks() as demo:
     gr.Label("Predict air quality in Paris")
     with gr.Row():
         inp=[gr.Textbox(label='Enter city'),gr.Radio(models, value="gradient_boost_paris_model")]
-        out = gr.DataFrame()
+        out = gr.Textbox()
     btn = gr.Button("Show prediction")
     btn.click(fn=air_quality, inputs=inp, outputs=out)