backport of 3.7 or 3.9 stdlib?
https://importlib-resources.readthedocs.io/en/latest/index.html (since https://gitlab.com/python-devs/importlib_resources/-/blob/0a84bb58a5c3df0f1032600c7669955f3e7dc371/importlib_resources/docs/index.rst) mentions that:
importlib_resources
is a backport of Python 3.9's standard library importlib.resources
while toplevel README currently says:
importlib_resources
is a backport of Python 3.7's standard library