my most-needed packages from PIP

• https://en.wikipedia.org/wiki/pip_(package_manager)
• https://github.com/wwkimball/yamlpath – YAML Path and Command-Line Tools (maybe not)
• https://github.com/wwkimball/yamlpath/wiki
• …

virtual environments:

• https://virtualenv.pypa.io/
• as described here: https://borgbackup.readthedocs.io/en/1.1-maint/installation.html#using-git
• resp. here: https://docs.python.org/3/tutorial/venv.html#creating-virtual-environments