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8 changes: 4 additions & 4 deletions Doc/c-api/weakref.rst
Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,8 @@ as much as it can.
callable object that receives notification when *ob* is garbage collected; it
should accept a single parameter, which will be the weak reference object
itself. *callback* may also be ``None`` or ``NULL``. If *ob* is not a
weakly referenceable object, or if *callback* is not callable, ``None``, or
``NULL``, this will return ``NULL`` and raise :exc:`TypeError`.
weakly referenceable object, this will raise :exc:`TypeError` and return
``NULL``.

.. seealso::
:c:func:`PyType_SUPPORTS_WEAKREFS` for checking if *ob* is weakly
Expand All @@ -58,8 +58,8 @@ as much as it can.
be a callable object that receives notification when *ob* is garbage
collected; it should accept a single parameter, which will be the weak
reference object itself. *callback* may also be ``None`` or ``NULL``. If *ob*
is not a weakly referenceable object, or if *callback* is not callable,
``None``, or ``NULL``, this will return ``NULL`` and raise :exc:`TypeError`.
weakly referenceable object, this will raise :exc:`TypeError` and return
``NULL``.

.. seealso::
:c:func:`PyType_SUPPORTS_WEAKREFS` for checking if *ob* is weakly
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