Python 当我试图在heroku上部署我的应用程序时。“它的获取错误”；“未检测到默认语言”；

我也使用了一个.gitignore文件，但当我尝试推送它时，会出现这种错误

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伙计们帮我解决我被困在这里的问题。

你看过链接了吗？是的，我正在尝试，但是没有用。您的存储库中有

requirements.txt

吗？是的！我已经看到，..pip安装-r requirements.txt要求已经满足：asgiref==3.2.3 in./env/lib/python3.6/site-packages（来自-r requirements.txt（第1行））（3.2.3）要求已经满足：Django==3.0 in./env/lib/python3.6/site-packages（来自-r requirements.txt（第2行））（3.0）

git push heroku master
Counting objects: 8572, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (5394/5394), done.
Writing objects: 100% (8572/8572), 15.33 MiB | 1.15 MiB/s, done.
Total 8572 (delta 2109), reused 8545 (delta 2100)
remote: Compressing source files... done.
remote: Building source:
remote: 
remote:  !     No default language could be detected for this app.
remote:             HINT: This occurs when Heroku cannot detect the buildpack to use for this application automatically.
remote:             See https://devcenter.heroku.com/articles/buildpacks
remote: 
remote:  !     Push failed
remote: Verifying deploy...
remote: 
remote: !   Push rejected to youtooapp.
remote: 
To https://git.heroku.com/youtooapp.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/youtooapp.git'