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| -rw-r--r-- | Doc/reference/datamodel.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index e5a1e4d..a5b8009 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -1876,8 +1876,10 @@ Notes on using *__slots__* descriptor directly from the base class). This renders the meaning of the program undefined. In the future, a check may be added to prevent this. -* Nonempty *__slots__* does not work for classes derived from "variable-length" - built-in types such as :class:`int`, :class:`bytes` and :class:`tuple`. +* :exc:`TypeError` will be raised if nonempty *__slots__* are defined for a + class derived from a + :c:member:`"variable-length" built-in type <PyTypeObject.tp_itemsize>` such as + :class:`int`, :class:`bytes`, and :class:`tuple`. * Any non-string :term:`iterable` may be assigned to *__slots__*. |