Currently [doc for configparser.ConfigParser](https://docs.python.org/release/3.13.0/library/configparser.html#configparser.ConfigParser) misses `allow_unnamed_section=False` param, which is added in https://github.com/python/cpython/pull/117273  <!-- gh-linked-prs --> ### Linked PRs * gh-125437 * gh-126421 <!-- /gh-linked-prs -->