Some tests failing with ImportPathMismatchError

[jaraco]

Recently, tests started failing. I suspect the issue was introduced by the introduction of build to checkdocs.

______________________ ERROR collecting examples/build.py ______________________
.tox/python/lib/python3.11/site-packages/_pytest/runner.py:338: in from_call
    result: Optional[TResult] = func()
.tox/python/lib/python3.11/site-packages/_pytest/runner.py:369: in <lambda>
    call = CallInfo.from_call(lambda: list(collector.collect()), "collect")
.tox/python/lib/python3.11/site-packages/_pytest/doctest.py:545: in collect
    module = import_path(
.tox/python/lib/python3.11/site-packages/_pytest/pathlib.py:556: in import_path
    raise ImportPathMismatchError(module_name, module_file, path)
E   _pytest.pathlib.ImportPathMismatchError: ('build', '/Users/runner/work/cssutils/cssutils/.tox/python/lib/python3.11/site-packages/build', PosixPath('/Users/runner/work/cssutils/cssutils/examples/build.py'))

[jaraco]

Confirmed. Looking at this test, I see the failing run is using checkdocs 2.8, but the ones that passed have checkdocs 2.7.1.