Update app.py

app.py

@@ -51,7 +51,7 @@ with gr.Blocks() as demo:
                 clear_video_button = gr.Button("Clear")
 
     image_button.click(transfer, inputs=[image_input,image_dropdown], outputs=image_output)
-    video_button.click(to_black, inputs=[video_input,video_dropdown], outputs=video_output)
+    video_button.click(transfer, inputs=[video_input,video_dropdown], outputs=video_output)
     clear_image_button.click(clear_output, inputs=image_input,outputs=image_output)
     clear_video_button.click(clear_output, inputs=video_input,outputs=video_output)
 demo.launch()