Update app.py

app.py

@@ -9,4 +9,6 @@ with gr.Blocks() as demo:
     txt_input = gr.Textbox(label="Input Question", lines=2)
     txt_output = gr.Textbox(value="", label="Answer")
     btn = gr.Button(value="Submit")
-    btn.click(queryGPT, nputs=[txt_input], outputs=[txt_output])
+    btn.click(queryGPT, nputs=[txt_input], outputs=[txt_output])
+if __name__ == "__main__":
+    demo.launch()