BUG in .groupby for single-row DF #12063
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This was referenced Jan 16, 2016
| @@ -3085,6 +3085,11 @@ def test_groupby_keys_same_size_as_index(self): | |||
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| assert_frame_equal(result, expected) | |||
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| def test_groupby_one_row(self): | |||
| # GH 11741 | |||
| df = pd.DataFrame(np.random.randn(1, 4), columns=list('ABCD')) | |||
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can also add with (2,4) as well just for completeness
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merged via e9e8598 thanks! |
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No KeyError was raised when grouping by a non-existant column
Fixes #11741
Xref issue #11640, PR #11717