Update app.py

app.py

@@ -7,4 +7,7 @@ with gr.Blocks() as demo:
     name = gr.Textbox(label="Name")
     output = gr.Textbox(label="Output Box")
     greet_btn = gr.Button("Greet")
-    greet_btn.click(fn=greet, inputs=name, outputs=output)
+    greet_btn.click(fn=greet, inputs=name, outputs=output)
+
+
+demo.launch()