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Discovered in #57441

Also removed a seemingly unused _sort_msg

@mroeschke mroeschke added Performance Memory or execution speed performance Index Related to the Index class or subclasses Constructors Series/DataFrame/Index/pd.array Constructors labels Mar 20, 2024
@mroeschke mroeschke added this to the 3.0 milestone Mar 21, 2024
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Going to merge, but happy to follow up if needed

@mroeschke mroeschke merged commit ded256d into pandas-dev:main Mar 25, 2024
@mroeschke mroeschke deleted the perf/rangeindex/dict branch March 25, 2024 18:24
pmhatre1 pushed a commit to pmhatre1/pandas-pmhatre1 that referenced this pull request May 7, 2024
…s-dev#57943)

* PERF: DataFrame(dict) returns RangeIndex columns when possible

* add whatsnew note

* Fix test failures

* Only 1 ndim

* Use infer_dtype

* Skip EA, skipna=False
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