Update app.py

app.py

@@ -177,7 +177,7 @@ with gr.Blocks(css=css) as demo:
                 video_res = gr.Video(label="result")
                 status = gr.Textbox(label="result")
     video_in.change(fn=resize_video,
-                      inputs=[video_path],
+                      inputs=[video_in],
                       outputs=[video_in, video_path, video_length]
                      )
     submit_btn.click(fn=run_inference,