I cannot deploy the app with flask with 404 error code

I recode the app, so I would think the app goes live. But, it still displays 404 ERROR. I went to search in 404 error page, and i cannot reach the reason. Could you help me?

This is my app URL. https://atc-rategraph-pic.vercel.app/

This is ERROR page. https://vercel.com/docs/errors/NOT_FOUND

Deployment log error -------

[00:07:13.954] Running build in Washington, D.C., USA (East) – iad1 [00:07:14.106] Cloning github.com/rako/atcrategraphpic (Branch: main, Commit: 42c5011) [00:07:14.352] Cloning completed: 244.783ms [00:07:14.550] Restored build cache from previous deployment (7iPVhYBqXzVP14Yyyu9FExhLXHXR) [00:07:14.640] Running "vercel build" [00:07:15.053] Vercel CLI 37.6.1 [00:07:15.210] WARN! Due to builds existing in your configuration file, the Build and Development Settings defined in your Project Settings will not apply. Learn More: https://vercel.link/unused-build-settings [00:07:15.229] Installing required dependencies... [00:07:40.679] Build Completed in /vercel/output [25s] [00:07:40.786] Deploying outputs... [00:07:50.629] [00:07:50.899] Deployment completed [00:07:51.984] Uploading build cache [29.00 B]... [00:07:52.120] Build cache uploaded: 135.654ms

Below it, it displays vercel.json

1{2  "version": 2,3  "builds": [4    {5      "src": "scrape.py",6      "use": "@vercel/python"7    }8  ],9  "routes": [10    {11      "src": "/scrape",12      "dest": "/scrape.py"13    },14    {15      "src": "/(.*)",16      "dest": "/templates/index.html"17    }18  ]19}

1Deployment URL or Custom Domain: https://atc-rategraph-pic.vercel.app/2Environment (local, preview, production): preview, production3Project Framework: Flask in python4Build Settings:5  Framework Preset: 6  Build Command (if not default):7  Output Directory (if not default):8  Install Command (if not default):9Node/Runtime Version: 10Package Manager:11Relevant Packages: