8000 BUG: fixed datetime64[ns] conversion issue in numpy.vectorize, see #25936 by batatas-fritas · Pull Request #26136 · numpy/numpy · GitHub
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BUG: fixed datetime64[ns] conversion issue in numpy.vectorize, see #25936 #26136

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Merged
merged 1 commit into from
Apr 2, 2024
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BUG: fixed datetime64[ns] conversion issue in numpy.vectorize, see #25936 #26136

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BUG: fixed datetime64[ns] conversion issue in numpy.vectorize, see #2… 
…5936
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@batatas-fritas
batatas-fritas committed Mar 26, 2024
commit e9cc084fa222a00746939de04d8f136f8ef13d2f
2 changes: 1 addition & 1 deletion numpy/lib/_function_base_impl.py
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Expand Up @@ -2330,7 +2330,7 @@ def __init__(self, pyfunc=np._NoValue, otypes=None, doc=None,
if char not in typecodes['All']:
raise ValueError("Invalid otype specified: %s" % (char,))
elif iterable(otypes):
otypes = ''.join([_nx.dtype(x).char for x in otypes])
otypes = [_nx.dtype(x) for x in otypes]
elif otypes is not None:
raise ValueError("Invalid otype specification")
self.otypes = otypes
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7 changes: 7 additions & 0 deletions numpy/lib/tests/test_function_base.py
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Expand Up @@ -1901,6 +1901,13 @@ def test_positional_regression_9477(self):
r = f([2])
assert_equal(r.dtype, np.dtype('float64'))

def test_datetime_conversion(self):
otype = "datetime64[ns]"
arr = np.array(['2024-01-01', '2024-01-02', '2024-01-03'],
dtype='datetime64[ns]')
assert_array_equal(np.vectorize(lambda x: x, signature="(i)->(j)",
otypes=[otype])(arr), arr)


class TestLeaks:
class A:
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0