Update app.py

app.py

@@ -104,7 +104,7 @@ url_example = "https://hips.hearstapps.com/hmg-prod/images/gettyimages-122989298
 
 tab1 = gr.Interface(fn, inputs=image_upload, outputs=slider1, examples=[chameleon], api_name="image")
 tab2 = gr.Interface(fn, inputs=url_input, outputs=slider2, examples=[url_example], api_name="text")
-tab3 = gr.Interface(process_file, inputs=image_file_upload, outputs=output_file, examples=["butterfly.jpg"], api_name="webp")
+tab3 = gr.Interface(process_file, inputs=image_file_upload, outputs=output_file, examples=["butterfly.jpg"], api_name="png")
 
 demo = gr.TabbedInterface(
     [tab1, tab2, tab3], ["Image Upload", "URL Input", "File Output"], title="Background Removal Tool"