cpython/Doc/deprecations/pending-removal-in-3.16.rst

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Pending removal in Python 3.16
------------------------------
* :mod:`array`:
* The ``'u'`` format code (:c:type:`wchar_t`)
has been deprecated in documentation since Python 3.3
and at runtime since Python 3.13.
Use the ``'w'`` format code (:c:type:`Py_UCS4`)
for Unicode characters instead.
* :mod:`asyncio`:
* :func:`!asyncio.iscoroutinefunction` is deprecated
and will be removed in Python 3.16,
use :func:`inspect.iscoroutinefunction` instead.
(Contributed by Jiahao Li and Kumar Aditya in :gh:`122875`.)
* :mod:`builtins`:
* Bitwise inversion on boolean types, ``~True`` or ``~False``
has been deprecated since Python 3.12,
as it produces surprising and unintuitive results (``-2`` and ``-1``).
Use ``not x`` instead for the logical negation of a Boolean.
In the rare case that you need the bitwise inversion of
the underlying integer, convert to ``int`` explicitly (``~int(x)``).
* :mod:`shutil`:
* The :class:`!ExecError` exception
has been deprecated since Python 3.14.
It has not been used by any function in :mod:`!shutil` since Python 3.4,
and is now an alias of :exc:`RuntimeError`.
* :mod:`symtable`:
* The :meth:`Class.get_methods <symtable.Class.get_methods>` method
has been deprecated since Python 3.14.
* :mod:`sys`:
* The :func:`~sys._enablelegacywindowsfsencoding` function
has been deprecated since Python 3.13.
Use the :envvar:`PYTHONLEGACYWINDOWSFSENCODING` environment variable instead.
* :mod:`tarfile`:
* The undocumented and unused :attr:`!TarFile.tarfile` attribute
has been deprecated since Python 3.13.