Installation ============ You must have Python 10 or later, and Git 2.19.0 or later. Install with ``pip``, preferably in a `virtual environment`_: .. code-block:: bash $ python3 -m venv /path/to/your/virtualenv $ source /path/to/your/virtualenv/bin/activate $ pip install check-oldies .. _virtual environment: https://packaging.python.org/tutorials/installing-packages/#creating-virtual-environments