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gh-90562: Mention slots pitfall in dataclass docs #107391

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Merged
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May 21, 2024
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gh-90562: Mention slots pitfall in dataclass docs #107391

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e40f5f9
Mention slots pitfall in dataclass docs
thejcannon Jul 28, 2023
e9930d7
Update dataclasses.rst
thejcannon Jul 28, 2023
91bbbd2
Update dataclasses.rst
thejcannon Jul 28, 2023
08903c5
Double trouble
thejcannon Jul 28, 2023
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Update Doc/library/dataclasses.rst
thejcannon Aug 7, 2023
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Merge branch 'main' into patch-1
erlend-aasland Jan 5, 2024
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Update Doc/library/dataclasses.rst
thejcannon Mar 12, 2024
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Merge branch 'main' into patch-1
thejcannon May 19, 2024
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Update Doc/library/dataclasses.rst
hugovk May 21, 2024
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Merge branch 'main' into patch-1
hugovk May 21, 2024
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5 changes: 4 additions & 1 deletion Doc/library/dataclasses.rst
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Expand Up @@ -185,7 +185,10 @@ Module contents
- *slots*: If true (the default is ``False``), :attr:`~object.__slots__` attribute
will be generated and new class will be returned instead of the original one.
If :attr:`!__slots__` is already defined in the class, then :exc:`TypeError`
is raised.
is raised. Calling no-arg :func:`super` in dataclasses using ``slots=True`` will result in
the following Exception being raised:
``TypeError: super(type, obj): obj must be an instance or subtype of type``.
The two-arg :func:`super` is a valid workaround. See :gh:`90562` for full details.

.. versionadded:: 3.10

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