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Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
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Pandas v1.2.2

Pandas: v1.2.2 Release

Release date:
February 9, 2021
Previous version:
v1.2.1 (released January 20, 2021)
Magnitude:
1,024 Diff Delta
Contributors:
4 total committers
Data confidence:
Commits:
35 impacting commits

35 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

Backport PR #39586: REG: read_excel with engine specified raises on non-path/non-buffer (#39652)
Authored February 8, 2021
Backport PR #39615: BUG: fix Categorical.astype for dtype=np.int32 argument' (#39676)
Authored February 8, 2021
Backport PR #39569: CI: ipython tab completion tests (#39570)
Authored February 3, 2021
BUG: Regression in astype not casting to bytes (#39484) (#39568)
Authored February 2, 2021
Backport PR #39655: REGR: fix case all-NaN/numeric object column in groupby (#39677)
Authored February 8, 2021
Backport PR #39440: REGR: prefer user-provided mode (#39452)
Authored January 29, 2021
Backport PR #39546: CI/TST: update exception message, xfail (#39549)
Authored February 2, 2021
Backport PR #39547: BUG: read_excel with openpyxl produces trailing rows of nan (#39679)
Authored February 8, 2021
Backport PR #39604: REGR: Rolling.count setting min_periods after call (#39634)
Authored February 7, 2021
Backport PR #39376: REGR: write compressed pickle files with protocol=5 (#39428)
Authored January 27, 2021
Backport PR #39374: DOC: Clarify behavior for Series with dict-like data and index (#39645)
Authored February 7, 2021
Backport PR #39639: REGR: fix transform of empty DataFrame/Series (#39654)
Authored February 7, 2021
Backport PR #39423: BUG: Assert_frame_equal always raising AssertionError when comparing extension dtypes (#39449)
Authored January 28, 2021
Backport PR #39494: CI: update for numpy 1.20 (#39532)
Authored February 1, 2021
Backport PR #39534: CI: numpy warnings produced by pytables (#39540)
Authored February 1, 2021
Revert "Fixed comment for pandas.unique (#39557)" (#39637)
Authored February 7, 2021
Backport PR #39544: CI: pin numpy<1.20 (#39545)
Authored February 1, 2021
Backport PR #39658: DOC: pin sphinx theme to avoid mobile dropdown bug (#39674)
Authored February 8, 2021
Backport PR #39526: CI: pin numpy for CI / Checks github action (#39529)
Authored February 1, 2021
Backport PR #39551: CI: numpy deprecation warnings (#39635)
Authored February 7, 2021
Backport PR #39487: CI: Pin pyarrow to 0.15.1 in 37 macos and linux (#39490)
Authored February 1, 2021
Backport PR #39486: BUG: read_excel with openpyxl and missing dimension' (#39633)
Authored February 7, 2021
Backport PR #39234: DOC: Start v1.2.2 release notes (#39294)
Authored January 20, 2021
Backport PR #39681: DOC: update release date for 1.2.2 (#39682)
Authored February 8, 2021
Revert "Backport PR #39526: CI: pin numpy for CI / Checks github action (#39529)" (#39641)
Authored February 8, 2021
Backport PR #39670: DOC: 1.2.2 release date (#39673)
Authored February 8, 2021
Backport PR #39605: REGR: appending to existing excel file created corrupt files (#39659)
Authored February 8, 2021
Backport PR #39646: DOC: typo in 1.2.2 whatsnew (#39657)
Authored February 7, 2021
Backport PR #39482: ERR: Unify error message for bad excel sheetnames (#39536)
Authored February 1, 2021
Backport PR #39512: CLN: Fix userguide deprecation warning new numpy (#39530)
Authored February 1, 2021
Backport PR #39442 BUG: DataFrame constructor reordering elements with ndarray from datetime dtype not datetime64[ns (#39475)
Authored January 30, 2021
Backport PR #39406: DOC: link to correct PR (#39429)
Authored January 27, 2021
Backport PR #39314: DOC: clarify in which version the excel engine default changed (#39322)
Authored January 21, 2021
Backport PR #39316: [DOC] Update PR link in 1.2.0 release notes (#39319)
Authored January 21, 2021
RLS: 1.2.2
Authored February 9, 2021

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Top Contributors in v1.2.2

simonjayhawkins
meeseeksmachine
phofl
pandas-development-team-79e2

Directory Browser for v1.2.2

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Release Notes Published

This is a patch release in the 1.2.x series and includes some regression fixes and bug fixes. We recommend that all users upgrade to this version.

See the full whatsnew for a list of all the changes.

The release will be available on the defaults and conda-forge channels:

conda install pandas

Or via PyPI:

python3 -m pip install --upgrade pandas

Please report any issues with the release on the pandas issue tracker.

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