Update app.py

app.py

@@ -114,7 +114,7 @@ with gr.Blocks(css=css) as demo:
             imgout = gr.Image(label='Uploaded document:',elem_id="inp")
         with gr.Column(scale=1):
             jsonout = gr.JSON(label='Extracted information:')
-    inp.change(fn=update_status,inputs=inp,outputs=[img2,img3])        
+    imgout.change(fn=update_status,inputs=inp,outputs=[img2,img3])        
     btn.click(fn=process_document, inputs=inp, outputs=[jsonout,imgout])
 
 demo.launch()