Update app.py

app.py

@@ -14,6 +14,6 @@ with gr.Blocks() as demo:
     input_text = gr.Textbox()
     output_text = gr.Textbox()
     btn = gr.Button("Run")
-    btn.click(fn=greet, inputs=input_text, output_text)
+    btn.click(fn=greet, inputs=input_text, outputs=output_text)
 
 demo.launch()