Intro to Pipenv

https://github.com/pypa/pipenv

Use Different Pypi Mirrors in Dev & Prod

add following lines in your ~/.zshrc or ~/.bashrc, it would override the pypy index in Pipfile

# pipenv source mirror
export PIPENV_PYPI_MIRROR="https://mirrors.aliyun.com/pypi/simple/"

https://github.com/pypa/pipenv/blob/master/docs/advanced.rst