Original Pr was reformed and news not updated.
https://bugs.python.org/issue36933
:func:`fileinput.FileInput` which was ignored and deprecated since Python 3.6
has been removed. :issue:`36952` (Contributed by Matthias Bussonnier)
-* The function :func:`sys.set_coroutine_wrapper` deprecated in Python 3.7 has
- been removed; :func:`sys.get_coroutine_wrapper` now always return ``None``.
- :issue:`36933` (Contributed by Matthias Bussonnier)
+* The functions :func:`sys.set_coroutine_wrapper` and
+ :func:`sys.get_coroutine_wrapper` deprecated in Python 3.7 have been removed;
+ :issue:`36933` (Contributed by Matthias Bussonnier)
Porting to Python 3.8