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Add test for #32108 (error with groupby on series with period index) #33105

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Merged
merged 12 commits into from
Jun 24, 2020
Merged

Add test for #32108 (error with groupby on series with period index) #33105

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74e65a8
Add test for #32108
dbeniamine Mar 23, 2020
fb148f5
Typographic improvements in test_groupby.py
daxid Mar 28, 2020
a3444fc
Yet again improve typo in test_groupby.py
daxid Mar 28, 2020
0cd603f
Fix linter issues
dbeniamine Mar 30, 2020
35deb44
Black formating
dbeniamine Mar 30, 2020
e6f3884
Move test to test_grouping.py
dbeniamine Mar 31, 2020
fd3c0db
Conform to PEP8
dbeniamine Apr 4, 2020
4dac36a
Merge branch 'master' of https://github.com/pandas-dev/pandas
dbeniamine May 8, 2020
7fbfb65
Merge branch 'master' of https://github.com/pandas-dev/pandas
dbeniamine Jun 15, 2020
4379fe3
New modifications for PR
dbeniamine Jun 23, 2020
ad9fac6
Change index name
dbeniamine Jun 23, 2020
408da64
Rename period_series
dbeniamine Jun 24, 2020
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14 changes: 14 additions & 0 deletions pandas/tests/groupby/test_timegrouper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -769,3 +769,17 @@ def test_scalar_call_versus_list_call(self):
expected = grouped.count()

tm.assert_frame_equal(result, expected)

def test_grouper_period_index(self):
# GH 32108
periods = 2
index = pd.period_range(
start="2018-01", periods=periods, freq="M", name="Month"
)
period_series = pd.Series(range(periods), index=index)
result = period_series.groupby(period_series.index.month).sum()

expected = pd.Series(
range(0, periods), index=Index(range(1, periods + 1), name=index.name),
)
tm.assert_series_equal(result, expected)