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Pandas Vectorize DataFrame first_valid_index() and last_valid_index()
2025-02-09 23:59:58
870
Is there a reason why DataFrame first_valid_index() and last_valid_index() don't return a Series with the first/last val...
Pandas ENH: add a float_precision='low' option to read_csv
2025-02-09 23:59:55
1656
ProblemUnless we know the column names in advance, it is impossible to prevent read_csv from loading all floats as np.fl...
Pandas ENH: Prettier printing of DataFrames with nested objects, discuss?
2025-02-09 23:59:51
2712
I frequently place objects which are not strings or numbers in my DataFrames. I've read many Stack Overflow comments wh...
Pandas QST: Why is resample with high frequency faster than lower frequency
2025-02-09 23:59:47
1206
When resampling a pandas DatetimeIndex, why would resampling daily (rule="D") or hourly (rule="H") between two dates be ...
Pandas CI: Unpin hypothesis in wheel builds
2025-02-09 23:59:44
258
The new hypothesis tested limits more strictly causing some build failures.We pinned the version in our wheel build proc...
Pandas CI: Matplotlib 3.6 broke our builds
2025-02-09 23:59:41
567
The version is only pulled on arm builds now, hence only those failhttps://app.circleci.com/pipelines/github/pandas-dev/...
Pandas CI: Numpy 1.22 caused CI to fail
2025-02-09 23:59:38
22108
The testFAILED pandas/tests/frame/test_ufunc.py::test_alignment_deprecation_many_inputsis failing.Also we have some typi...
Pandas CI: Unreliable Tests write to S3
2025-02-09 23:59:35
3802
Seen this in a few PRs:https://github.com/pandas-dev/pandas/pull/39153/checks?check_run_id=1697646268___________________...
Pandas ArrowIOError: Invalid parquet file. Corrupt footer. When modifying files in S3 (Bump s3fs to 0.4.2)
2025-02-09 23:59:32
8078
When loading a file that has been modified in S3 directly with pd.read_parquet() from another terminal, we get the Arro...
Pandas DEV: Upgrade Python development version to 3.9/3.10
2025-02-09 23:59:29
982
We can drop Python 3.8 support soonish, but to get there we have to upgrade our development python version from 3.8. I'd...
Pandas BUG: inconsistent Series/DataFrame behavior in bitwise ops
2025-02-09 23:59:25
709
ser = pd.Series([1, 2], index=['a', 'b'])ser2 = pd.Series([3, 4], index=['b', 'c'])df = ser.to_frame()df2 = ser2.to_fram...
Pandas BUG: Results of series bitwise ufunc operations are being casted to bool in pandas-2.0
2025-02-09 23:59:21
3050
Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...
Pandas BUG: Reintroduced #47844
2025-02-09 23:59:17
1322
Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...
Pandas Accessing unused columns in pivot_table
2025-02-09 23:59:12
2787
related is #6490I am new to pandas but have run into a problem which I believe is a bug.I tried to execute the following...
Pandas BUG: on_bad_lines=callable does not invoke callable for all bad lines
2025-02-09 23:59:07
10457
Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...
Pandas BUG: pandas.to_datetime("2023-01-01T15:58:12+09:00", format="%Y-%m-%dT%H:%M:%S.%f%z") has ValueError
2025-02-09 23:58:38
2964
Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...
Pandas Changed default regex value in pandas.Series.str.replace not fully updated in docs
2025-02-09 23:58:34
318
In the docstring, we have:https://github.com/pandas-dev/pandas/blob/478d340667831908b5b4bf09a2787a11a14560c9/pandas/core...
Pandas DOC: move from sphinx-panels to sphinx-design
2025-02-09 23:58:28
430
Pandas version checks[X] I have checked that the issue still exists on the latest versions of the docs on main hereLocat...
Pandas BUG: dateframe.to_parquet(byteio, engine="fastparquet")
2025-02-09 23:58:24
2004
Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...
Pandas pd.core.groupby.groupby.DataFrameGroupBy.nth yielding false values with Interval MultiIndex Interval
2025-02-09 23:58:18
6504
Hi,using a solution for my problem posted on SO, I stumbled upon this bug. Thanks @jorisvandenbossche for looking into t...
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