| This is an :term:`optional module`. | |
| If it is missing from your copy of CPython, | |
| look for documentation from your distributor (that is, | |
| whoever provided Python to you). | |
| If you are the distributor, see :ref:`optional-module-requirements`. | |
| .. Similar notes appear in the docs of the modules: | |
| - zipfile | |
| - tarfile |