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- import sys
- from typing import Sequence, Tuple, Union, TYPE_CHECKING
- if TYPE_CHECKING:
- if sys.version_info >= (3, 8):
- from typing import SupportsIndex
- else:
- from typing_extensions import Protocol
- class SupportsIndex(Protocol):
- def __index__(self) -> int: ...
- _Shape = Tuple[int, ...]
- # Anything that can be coerced to a shape tuple
- _ShapeLike = Union["SupportsIndex", Sequence["SupportsIndex"]]
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