fixes double commas typos

app.py

@@ -460,7 +460,7 @@ with gr.Blocks(css=css) as demo:
     run_button.click(  # Clear the result
         fn=clear_result,
         inputs=None,
-        outputs=result,,
+        outputs=result,
         show_api=False
     ).then(  # Generate the new image
         fn=infer,
@@ -471,19 +471,19 @@ with gr.Blocks(css=css) as demo:
     ).then(  # Update the history gallery
         fn=lambda x, history: update_history(x[1], history),
         inputs=[result, history_gallery],
-        outputs=history_gallery,,
+        outputs=history_gallery,
         show_api=False
     ).then(  # Show the "Use as Input Image" button
         fn=lambda: gr.update(visible=True),
         inputs=None,
-        outputs=use_as_input_button,,
+        outputs=use_as_input_button,
         show_api=False
     )
 
     prompt_input.submit(  # Clear the result
         fn=clear_result,
         inputs=None,
-        outputs=result,,
+        outputs=result,
         show_api=False
     ).then(  # Generate the new image
         fn=infer,
@@ -494,12 +494,12 @@ with gr.Blocks(css=css) as demo:
     ).then(  # Update the history gallery
         fn=lambda x, history: update_history(x[1], history),
         inputs=[result, history_gallery],
-        outputs=history_gallery,,
+        outputs=history_gallery,
         show_api=False
     ).then(  # Show the "Use as Input Image" button
         fn=lambda: gr.update(visible=True),
         inputs=None,
-        outputs=use_as_input_button,,
+        outputs=use_as_input_button,
         show_api=False
     )