Update app.py: change server port :D

app.py

@@ -22,7 +22,7 @@ with gr.Blocks() as demo:
             This demo using fine-tuned OCR-VQA-Donut model to answer questions about images.
 
             Feel free to try it out!
-            
+
             """)
             question = gr.Textbox(lines=5, label="Question")
             answer = gr.Label(label="Answer")
@@ -30,4 +30,4 @@ with gr.Blocks() as demo:
 
     ask.click(get_answer, inputs=[image, question], outputs=[answer])
 
-demo.launch(server_port=7681)
+demo.launch()