runtime error

Exit code: 1. Reason: * Running on local URL: http://0.0.0.0:7860, with SSR ⚡ (experimental, to disable set `ssr=False` in `launch()`) To create a public link, set `share=True` in `launch()`. Traceback (most recent call last): File "/home/user/app/app.py", line 380, in <module> start_gradio() File "/home/user/app/app.py", line 372, in start_gradio @app.add_url_rule('/checkout', methods=['POST']) AttributeError: 'TupleNoPrint' object has no attribute 'add_url_rule'

Container logs: