Update app.py

app.py

@@ -62,10 +62,10 @@ chameleon = load_img("giraffe.jpg", output_type="pil")
 url = "http://farm9.staticflickr.com/8488/8228323072_76eeddfea3_z.jpg"
 
 tab1 = gr.Interface(
-    fn, inputs=image, outputs=[slider1, png_file], examples=[chameleon], api_name="image"
+    fn, inputs=image, outputs=[slider1, gr.File(label="output png file")], examples=[chameleon], api_name="image"
 )
 
-tab2 = gr.Interface(fn, inputs=text, outputs=[slider2, png_file], examples=[url], api_name="text")
+tab2 = gr.Interface(fn, inputs=text, outputs=[slider2, gr.File(label="output png file")], examples=[url], api_name="text")
 tab3 = gr.Interface(process_file, inputs=image2, outputs=png_file, examples=["giraffe.jpg"], api_name="png")