Update app.py

app.py

@@ -223,10 +223,9 @@ with gr.Blocks() as app:
     hid_box=gr.Textbox(visible=False)            
     
     def upd(im):
-        yield None
         image = Image.open(im)
         image.save(f"{uid}tmp_src.png")
-        yield(f"{uid}tmp_src.png")
+        return(f"{uid}tmp_src.png")
     inp.change(upd,inp,inp,show_progress=False)
     
     btn.click(fin_clear,None,fin)