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Python bool meta always numpy.bool_ #10677

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Python bool meta always numpy.bool_ #10677

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d74c221
Scalar bool meta always numpy dtype
fjetter Dec 6, 2023
57eba3b
reorder in test
fjetter Dec 6, 2023
3ef818c
add integer to test as well
fjetter Dec 6, 2023
a6aff94
try intp
fjetter Dec 6, 2023
310e269
reveal type when assert fails
fjetter Dec 6, 2023
db6bc09
assert on kind
fjetter Dec 6, 2023
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3 changes: 2 additions & 1 deletion dask/dataframe/_dtypes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
from datetime import date, time
from decimal import Decimal

import numpy as np
import pandas as pd

from dask.dataframe._compat import PANDAS_GE_150
Expand Down Expand Up @@ -71,4 +72,4 @@ def _(dtype):

@make_scalar.register(bool)
def _(x):
return True
return np.bool_(True)
8 changes: 7 additions & 1 deletion dask/dataframe/tests/test_utils_dataframe.py
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Expand Up @@ -170,7 +170,13 @@ def __next__(self):

# Python scalar
meta = make_meta(1.0, parent_meta=df)
assert isinstance(meta, np.float64)
assert meta.dtype.kind == "i"

meta = make_meta(True)
assert isinstance(meta, np.bool_)

meta = make_meta(1)
assert isinstance(meta, np.intp), type(meta)

# Timestamp
x = pd.Timestamp(2000, 1, 1)
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