To selectively prevent import of some modules from a hook early on the
meta path (rather than disabling the standard import system entirely),
-it is sufficient to raise :exc:`ModuleNoFoundError` directly from
+it is sufficient to raise :exc:`ModuleNotFoundError` directly from
:meth:`~importlib.abc.MetaPathFinder.find_spec` instead of returning
``None``. The latter indicates that the meta path search should continue,
while raising an exception terminates it immediately.