bpo-35486: Note Py3.6 import system API requirement change (GH-11540)
While the introduction of ModuleNotFoundError was fully backwards
compatible on the import API consumer side, folks providing alternative
implementations of `__import__` need to make an update to be
forward compatible with clients that start relying on the new subclass.
https://bugs.python.org/issue35486
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index 3c9a99a..23831c7 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -1737,7 +1737,8 @@
if spec is not None:
break
else:
- raise ImportError(f'No module named {absolute_name!r}')
+ msg = f'No module named {absolute_name!r}'
+ raise ModuleNotFoundError(msg, name=absolute_name)
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
sys.modules[absolute_name] = module