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new ed4cee0d3c GH-45926: [Python] Use pytest.approx for float values on
unbiased skew and kurtosis tests (#45929)
ed4cee0d3c is described below
commit ed4cee0d3c44b1d84e10446a09126527a35ebd0b
Author: Raúl Cumplido <[email protected]>
AuthorDate: Tue Mar 25 13:27:20 2025 +0100
GH-45926: [Python] Use pytest.approx for float values on unbiased skew and
kurtosis tests (#45929)
### Rationale for this change
The test fails on test-debian-12-python-3-i386 due to accuracy
### What changes are included in this PR?
Use pytest.approx instead of hardcoded float value
### Are these changes tested?
Yes via CI
### Are there any user-facing changes?
No
* GitHub Issue: #45926
Authored-by: Raúl Cumplido <[email protected]>
Signed-off-by: Raúl Cumplido <[email protected]>
---
python/pyarrow/tests/test_compute.py | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/python/pyarrow/tests/test_compute.py
b/python/pyarrow/tests/test_compute.py
index 2710c6971a..453bc177d9 100644
--- a/python/pyarrow/tests/test_compute.py
+++ b/python/pyarrow/tests/test_compute.py
@@ -461,16 +461,17 @@ def test_kurtosis():
@pytest.mark.parametrize("input, expected", (
(
[1.0, 2.0, 3.0, 40.0, None],
- {'skew': 1.988947740397821, 'kurtosis': 3.9631931024230695}
+ {'skew': pytest.approx(1.988947740397821),
+ 'kurtosis': pytest.approx(3.9631931024230695)}
),
- ([1, 2, 40], {'skew': 1.7281098503730385, 'kurtosis': None}),
+ ([1, 2, 40], {'skew': pytest.approx(1.7281098503730385), 'kurtosis':
None}),
([1, 40], {'skew': None, 'kurtosis': None}),
))
def test_unbiased_skew_and_kurtosis(input, expected):
arrow_skew = pc.skew(input, skip_nulls=True, biased=False)
arrow_kurtosis = pc.kurtosis(input, skip_nulls=True, biased=False)
- assert arrow_skew == pa.scalar(expected['skew'], type=pa.float64())
- assert arrow_kurtosis == pa.scalar(expected['kurtosis'], type=pa.float64())
+ assert arrow_skew.as_py() == expected['skew']
+ assert arrow_kurtosis.as_py() == expected['kurtosis']
def test_count_substring():
