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09ae69a364
This reverts commit81e370fc6b. Reverted https://github.com/pytorch/pytorch/pull/142326 on behalf of https://github.com/malfet due to This introduced a graph break and regressed inductor tests, see73622fc5fa/1([comment](https://github.com/pytorch/pytorch/pull/142326#issuecomment-2614196349))
14 lines
378 B
Python
14 lines
378 B
Python
"""Miscellaneous utilities to aid with typing."""
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from typing import Optional, TypeVar
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# Helper to turn Optional[T] into T when we know None either isn't
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# possible or should trigger an exception.
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T = TypeVar("T")
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def not_none(obj: Optional[T]) -> T:
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if obj is None:
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raise TypeError("Invariant encountered: value was None when it should not be")
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return obj
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