Update app.py

app.py

@@ -347,7 +347,7 @@ if __name__ == '__main__':
                 with gr.Row():
                     change_bu = gr.Button('Parse')
                     clear_bu = gr.ClearButton(value='Clear')
-                # pdf_show = PDF(label='Preview', interactive=False, visible=True, height=800)
+                pdf_show = PDF(label='Preview', interactive=False, visible=True, height=800)
 
                 slider = gr.Slider(0.5, 3.0, value=1.0, step=0.1, label="缩放倍数")
                 out = gr.HTML()
@@ -407,7 +407,7 @@ if __name__ == '__main__':
                             
                         
                
-        # file.change(fn=process_file, inputs=file, outputs=pdf_show)
+        file.change(fn=process_file, inputs=file, outputs=pdf_show)
 
 
         change_bu.click(