📅  最后修改于: 2022-03-11 14:45:48.091000             🧑  作者: Mango
In runtime.txt add required version
python-3.9.5
like this
https://github.com/heroku/python-getting-started/blob/main/runtime.txt
supported vestions are
python-3.9.5
python-3.8.10
python-3.7.10
python-3.6.13