thttps://airflow.apache.org/docs/apache-airflow/stable/concepts.htmlpyvenv was the recommended tool for creating virtual environments for Python 3.3 and 3.4, and is deprecated in Python 3.6.
The use of venv is now recommended for creating virtual environments.
https://levelup.gitconnected.com/how-to-set-up-python-environment-on-your-mac-560ebf9324ed
brew install pyenv
echo 'eval "$(pyenv init -)"' >> ~/.bash_profile
pyenv install 3.8.5
pyenv versions
pyenv global 3.8.5
pyenv local 3.8.5
pyenv shell 3.8.5
pyenv which pip
which python => pyenv shim
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brew install pyenv-virtualenv
pyenv virtualenv dev
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Library: https://github.com/pyenv/pyenv/wiki/Common-build-problems