Update background color picker in app.py to allow user interaction and add main guard for improved script execution. This enhances user experience and maintains code structure.

app.py

@@ -202,7 +202,7 @@ with gr.Blocks() as demo:
                             "Auto Remove background"
                         ], value="Auto Remove background",
                         label="Background choice")
-                    back_ground_color = gr.ColorPicker(label="Background Color", value="#7F7F7F", interactive=False)
+                    back_ground_color = gr.ColorPicker(label="Background Color", value="#7F7F7F")
                     foreground_ratio = gr.Slider(
                         label="Foreground Ratio",
                         minimum=0.5,
@@ -253,4 +253,5 @@ with gr.Blocks() as demo:
         outputs=outputs,
     )
 
+if __name__ == "__main__":
     demo.queue().launch()