attrs/changelog.d/997.change.rst

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``attrs.has()`` is now a ``TypeGuard`` for ``AttrsInstance``.
That means that type checkers know a class is an instance of an ``attrs`` class if you check it using ``attrs.has()`` (or ``attr.has()``) first.
	``attrs.has()`` is now a ``TypeGuard`` for ``AttrsInstance``.
	That means that type checkers know a class is an instance of an ``attrs`` class if you check it using ``attrs.has()`` (or ``attr.has()``) first.