Update app.py

app.py

@@ -289,8 +289,7 @@ if __name__ == "__main__":
 
                     # history_gallery = gr.Gallery(label="History", columns=6, object_fit="contain", interactive=False)
                     # preview_image = gr.Image(label="Preview")
-        gr.on(
-            trigger=[run_button.click],
+        run_button.click(
             fn=infer_headswap,
             inputs=[input_source, input_target],
             outputs=[result]