Update app.py

app.py

@@ -84,7 +84,7 @@ with demo:
         out = gr.Image(shape=(64,64), image_mode='RGBA', type='pil', elem_id='img_size')
         out2 = gr.Image(shape=(64,64), image_mode='RGBA', type='pil', elem_id='img_size')
   greet_btn = gr.Button("Generate")
-  greet_btn.click(fn=ex, inputs=[model_name], outputs=[out, out2)
+  greet_btn.click(fn=ex, inputs=[model_name], outputs=[out, out2]
   gr.HTML(
             """
                 <div class="footer">