API: DataFrame.__getitem__ returns Series for sparse column #23561
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Breaking API change for
```python
In [1]: import pandas as pd
In [2]: df = pd.DataFrame({"A": pd.SparseSeries([1, 0])})
In [3]: type(df['A'])
Out[3]: pandas.core.sparse.series.SparseSeries
```
Now Out[3] is a Series.
closes pandas-dev#23559
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Hello @TomAugspurger! Thanks for submitting the PR.
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Codecov Report
@@ Coverage Diff @@
## master #23561 +/- ##
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- Coverage 92.24% 92.24% -0.01%
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Files 161 161
Lines 51224 51218 -6
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- Hits 47254 47248 -6
Misses 3970 3970
Continue to review full report at Codecov.
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lgtm. |
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thanks @TomAugspurger this seems totally reasonable, esp if we are deprecating SparseSeries. |
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* upstream/master: BUG: Casting tz-aware DatetimeIndex to object-dtype ndarray/Index (pandas-dev#23524) BUG: Delegate more of Excel parsing to CSV (pandas-dev#23544) API: DataFrame.__getitem__ returns Series for sparse column (pandas-dev#23561) CLN: use float64_t consistently instead of double, double_t (pandas-dev#23583) DOC: Fix Order of parameters in docstrings (pandas-dev#23611) TST: Unskip some Categorical Tests (pandas-dev#23613) TST: Fix integer ops comparison test (pandas-dev#23619) DOC: Fixes to docstring to add validation to CI (pandas-dev#23560) DOC: Remove incorrect periods at the end of parameter types (pandas-dev#23600) MAINT: tm.assert_raises_regex --> pytest.raises (pandas-dev#23592) DOC: Updating Series.resample and DataFrame.resample docstrings (pandas-dev#23197)
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…fixed * upstream/master: DOC: Enhancing pivot / reshape docs (pandas-dev#21038) TST: Fix xfailing DataFrame arithmetic tests by transposing (pandas-dev#23620) BUILD: Simplifying contributor dependencies (pandas-dev#23522) BUG/REF: TimedeltaIndex.__new__ (pandas-dev#23539) BUG: Casting tz-aware DatetimeIndex to object-dtype ndarray/Index (pandas-dev#23524) BUG: Delegate more of Excel parsing to CSV (pandas-dev#23544) API: DataFrame.__getitem__ returns Series for sparse column (pandas-dev#23561) CLN: use float64_t consistently instead of double, double_t (pandas-dev#23583) DOC: Fix Order of parameters in docstrings (pandas-dev#23611) TST: Unskip some Categorical Tests (pandas-dev#23613) TST: Fix integer ops comparison test (pandas-dev#23619)
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Awaiting consensus on #23559, but I went ahead an implemented it.
Breaking API change for
Now Out[3] is a Series.
closes #23559