Update app.py

app.py

@@ -110,6 +110,8 @@ with gr.Blocks(css=css) as demo:
     gr.Markdown(TITLE)
     gr.Markdown(DESCRIPTION)
     with gr.Tab(label="Florence-2 Image Processing"):
+        input_img = gr.Image(label="Input Picture")
+        submit_btn = gr.Button(value="Submit")
         with gr.Row():
             output_img = gr.Image(label="Output Image with Bounding Boxes")
         gr.Examples(