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BUG: fix Series(extension array) + extension array values addition #22479

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Merged
merged 6 commits into from
Oct 3, 2018
Merged

BUG: fix Series(extension array) + extension array values addition #22479

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ca8f101
BUG: series of extension array add extension array values cause runti…
peterpanmj Aug 23, 2018
9736f38
clear some style error
peterpanmj Sep 18, 2018
4f7ada3
update whatsnew and add issue number
peterpanmj Sep 19, 2018
215d7f7
Update v0.24.0.txt
TomAugspurger Sep 30, 2018
31d8f02
Merge remote-tracking branch 'upstream/master' into peterpanmj-ops_ne…
TomAugspurger Oct 3, 2018
7efeed8
Move test to base, implement
TomAugspurger Oct 3, 2018
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2 changes: 1 addition & 1 deletion pandas/core/ops.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1182,7 +1182,7 @@ def dispatch_to_extension_op(op, left, right):
new_right = [new_right]
new_right = list(new_right)
elif is_extension_array_dtype(right) and type(left) != type(right):
new_right = list(new_right)
new_right = list(right)
else:
new_right = right

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8 changes: 8 additions & 0 deletions pandas/tests/arrays/test_integer.py
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Expand Up @@ -587,6 +587,14 @@ def test_cross_type_arithmetic():
tm.assert_series_equal(result, expected)


def test_arith_extension_array_values():
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Can you move the test to pandas/tests/extension/base/ops.py, as this is not a specific failure for IntegerArray, it is relevant for all extension types.

# GH 22478
s = pd.Series([1, 2, 3], dtype='Int64')
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can you add the issue as a comment

result = s + s.values
expected = pd.Series([2, 4, 6], dtype='Int64')
tm.assert_series_equal(result, expected)


def test_groupby_mean_included():
df = pd.DataFrame({
"A": ['a', 'b', 'b'],
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