fix: app sequence

app.py

@@ -16,33 +16,35 @@ def inference(img) -> pd.DataFrame:
 def ask(img, question) -> str:
     return layoutlm.answer_the_question(img, question, is_debug=True)
 
-with gr.Blocks() as demo:
-
-    with gr.Column():
-        inp_img = gr.Image(type='pil')
-    
-        with gr.Row():
-            inp_img = gr.Image(type='pil')
-            out = gr.Dataframe(
-                headers=['Data', 'Value'],
-                datatype=['str', 'str'],
-                row_count=8,
-                col_count=(2, 'fixed'), 
-                interactive=False
-            )
-
-            txt_custom_question = gr.Textbox(label='Your question')
-            btn_ask = gr.Button('Ask me')
-            txt_out_answer = gr.Textbox(label='Answer', interactive=False)
-
-            # event
-            inp_img.change(inference, inp_img, out)
-            btn_ask.click(ask, [inp_img, txt_custom_question], txt_out_answer)
-
 if __name__ == '__main__':
+
     try:
         layoutlm = LayoutLM()
         layoutlm.set_model(layoutlm.default_model)
+
+        with gr.Blocks() as demo:
+
+            with gr.Column():
+                inp_img = gr.Image(type='pil')
+            
+                with gr.Row():
+                    inp_img = gr.Image(type='pil')
+                    out = gr.Dataframe(
+                        headers=['Data', 'Value'],
+                        datatype=['str', 'str'],
+                        row_count=8,
+                        col_count=(2, 'fixed'), 
+                        interactive=False
+                    )
+
+                    txt_custom_question = gr.Textbox(label='Your question')
+                    btn_ask = gr.Button('Ask me')
+                    txt_out_answer = gr.Textbox(label='Answer', interactive=False)
+
+                    # event
+                    inp_img.change(inference, inp_img, out)
+                    btn_ask.click(ask, [inp_img, txt_custom_question], txt_out_answer)
+
         demo.launch(auth=auth)
     except Exception as e:
         print(str(e))