Update app.py

app.py

@@ -507,7 +507,7 @@ with gr.Blocks(css=css) as demo:
 
     with gr.Row():
         with gr.Column():
-            input_url = gr.Textbox(value="./examples/streetview.mp4", label="URL")
+            input_url = gr.Textbox(elem_id="url", value="./examples/streetview.mp4", label="URL")
             input_video = gr.Video(label="Input Video", format="mp4")
             input_url.change(fn=loadurl, inputs=[input_url], outputs=[input_video])
             output_frame = gr.Gallery(label="Frames", preview=True, columns=8192, type="numpy")