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Doc: Clarify class creation behavior for dataclass(slots=True) #149941

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Doc: Clarify class creation behavior for dataclass(slots=True) #149941

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docs: clarify that dataclass(slots=True) creates a new class
evgenii-prusov May 17, 2026
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Update Doc/library/dataclasses.rst
picnixz May 17, 2026
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4 changes: 2 additions & 2 deletions Doc/library/dataclasses.rst
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Expand Up @@ -60,8 +60,8 @@ Module contents
The ``@dataclass`` decorator will add various "dunder" methods to
the class, described below. If any of the added methods already
exist in the class, the behavior depends on the parameter, as documented
below. The decorator returns the same class that it is called on; no new
class is created.
below. Except when ``slots=True``, the decorator returns the same class
that it is called on without creating a new class.

If ``@dataclass`` is used just as a simple decorator with no parameters,
it acts as if it has the default values documented in this
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