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Fix for 55753 BUG: No kwargs in df.apply(raw=True) [ Backport to 2.1.x ] #55930

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Merged
merged 4 commits into from
Nov 14, 2023
Merged

Fix for 55753 BUG: No kwargs in df.apply(raw=True) [ Backport to 2.1.x ] #55930

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ffb47fe
Fix for 55753 BUG: No kwargs in df.apply(raw=True) [ Backport to 2.1…
dannyi96 Nov 12, 2023
cea63fa
Fix for 55753 BUG: No kwargs in df.apply(raw=True) [ Backport to 2.1…
dannyi96 Nov 12, 2023
badd945
Merge branch '2.1.x' of https://github.com/pandas-dev/pandas into 2.1…
dannyi96 Nov 14, 2023
49a82c3
review comment - updated whatsnew
dannyi96 Nov 14, 2023
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2 changes: 1 addition & 1 deletion doc/source/whatsnew/v2.1.4.rst
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Expand Up @@ -21,7 +21,7 @@ Fixed regressions

Bug fixes
~~~~~~~~~
-
- Bug in :meth:`DataFrame.apply` where passing ``raw=True`` ignored ``args`` passed to the applied function (:issue:`55753`)
-

.. ---------------------------------------------------------------------------
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4 changes: 3 additions & 1 deletion pandas/core/apply.py
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Expand Up @@ -923,7 +923,9 @@ def wrapper(*args, **kwargs):

return wrapper

result = np.apply_along_axis(wrap_function(self.func), self.axis, self.values)
result = np.apply_along_axis(
wrap_function(self.func), self.axis, self.values, *self.args, **self.kwargs
)

# TODO: mixed type case
if result.ndim == 2:
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5 changes: 3 additions & 2 deletions pandas/tests/apply/test_frame_apply.py
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Expand Up @@ -38,8 +38,9 @@ def test_apply(float_frame):


@pytest.mark.parametrize("axis", [0, 1])
def test_apply_args(float_frame, axis):
result = float_frame.apply(lambda x, y: x + y, axis, args=(1,))
@pytest.mark.parametrize("raw", [True, False])
def test_apply_args(float_frame, axis, raw):
result = float_frame.apply(lambda x, y: x + y, axis, args=(1,), raw=raw)
expected = float_frame + 1
tm.assert_frame_equal(result, expected)

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