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| import pytest
|
| from pandas import (
| Index,
| NaT,
| )
|
|
| def test_astype_invalid_nas_to_tdt64_raises():
| # GH#45722 don't cast np.datetime64 NaTs to timedelta64 NaT
| idx = Index([NaT.asm8] * 2, dtype=object)
|
| msg = r"Invalid type for timedelta scalar: <class 'numpy.datetime64'>"
| with pytest.raises(TypeError, match=msg):
| idx.astype("m8[ns]")
|
|
