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Attempt unit us to_datetime #59528

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Attempt unit us to_datetime #59528

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2 changes: 1 addition & 1 deletion pandas/core/tools/datetimes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -672,7 +672,7 @@ def to_datetime(
utc: bool = False,
format: str | None = None,
exact: bool | lib.NoDefault = lib.no_default,
unit: str | None = None,
unit: str | None = "us",
origin: str = "unix",
cache: bool = True,
) -> DatetimeIndex | Series | DatetimeScalar | NaTType | None:
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13 changes: 13 additions & 0 deletions pandas/tests/tools/test_to_datetime.py
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Expand Up @@ -1714,6 +1714,19 @@ def test_to_datetime_mixed_offsets_with_utc_false_removed(self, date):
with pytest.raises(ValueError, match=msg):
to_datetime(date, utc=False)

@pytest.mark.parametrize(
"date",
[
"2024-03-22 11:43:01",
"2024-03-22 11:43:01.002",
"2024-03-22 11:43:01.002003",
],
)
def test_to_datetime_type(self, date):
dt = to_datetime([date])
print("pranav dtype is ", dt.dtype)
assert dt.dtype == "<M8[us]"


class TestToDatetimeUnit:
@pytest.mark.parametrize("unit", ["Y", "M"])
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