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TYP: overload tz_to_dtype #56260

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Nov 30, 2023
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11 changes: 11 additions & 0 deletions pandas/core/arrays/datetimes.py
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
from typing import (
TYPE_CHECKING,
cast,
overload,
)
import warnings

Expand Down Expand Up @@ -93,6 +94,16 @@
_ITER_CHUNKSIZE = 10_000


@overload
def tz_to_dtype(tz: tzinfo, unit: str = ...) -> DatetimeTZDtype:
...


@overload
def tz_to_dtype(tz: None, unit: str = ...) -> np.dtype[np.datetime64]:
...


def tz_to_dtype(
tz: tzinfo | None, unit: str = "ns"
) -> np.dtype[np.datetime64] | DatetimeTZDtype:
Expand Down