23 lines
655 B
Python
23 lines
655 B
Python
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from __future__ import annotations # pragma: no cover
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from typing import (
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TYPE_CHECKING, # pragma: no cover
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Union, # pragma: no cover
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)
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if TYPE_CHECKING:
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import sys
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from typing import TypeVar
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if sys.version_info >= (3, 10):
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from typing import TypeAlias
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else:
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from typing_extensions import TypeAlias
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from narwhals._polars.dataframe import PolarsDataFrame, PolarsLazyFrame
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from narwhals._polars.expr import PolarsExpr
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from narwhals._polars.series import PolarsSeries
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IntoPolarsExpr: TypeAlias = Union[PolarsExpr, PolarsSeries]
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FrameT = TypeVar("FrameT", PolarsDataFrame, PolarsLazyFrame)
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