diff options
Diffstat (limited to 'Doc/whatsnew/3.8.rst')
| -rw-r--r-- | Doc/whatsnew/3.8.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst index 11538e2..9aad908 100644 --- a/Doc/whatsnew/3.8.rst +++ b/Doc/whatsnew/3.8.rst @@ -146,6 +146,11 @@ Changes in the Python API a database if it does not exist. (Contributed by Serhiy Storchaka in :issue:`32749`.) +* A :exc:`RuntimeError` is now raised when the custom metaclass doesn't + provide the ``__classcell__`` entry in the namespace passed to + ``type.__new__``. A :exc:`DeprecationWarning` was emitted in Python + 3.6--3.7. (Contributed by Serhiy Storchaka in :issue:`23722`.) + CPython bytecode changes ------------------------ |