[issue43953] InitVar should not be available on a @dataclass-decorated class

[Eric V. Smith]

Eric V. Smith <eric at trueblade.com> added the comment:

I'm not aware of what problems it would cause, but there's no doubt someone who's relying on it.

Since it's a behavior of normal classes, changing it would violate dataclasses desire (not always realized) to have as little impact as possible on the class that it's decorating.

You could add another decorator to do this, or handle it in a __post_init__ function if needed.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43953>
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