Problemsby Glyphpandas
Open source project51 problems166 posts+6 this week
Problem posts per week
pandas problems
Codex users keep filing bugs
Top post: "Told to reboot a server, it destroyed systemd, destroyed containers, ran random scripts, cost me $10,000+", one of 36 posts from 35 people on GitHub issues, Reddit, Community forums.
pandas users keep filing bugs
Top post: ".to_latex() throws an exception in some cases", one of 26 posts from 19 people on GitHub issues, Stack Overflow, Reddit.
Bad data slips into production unnoticed
21 posts from 21 people on GitHub issues, Reddit, Stack Overflow.
Claude Code outages and slowdowns disrupt work
18 posts from 18 people on Glyph Ibis, GitHub issues, Hacker News.
GitHub deprecations force unplanned migrations
10 posts from 9 people on GitHub issues, Reddit.
Trouble with pandas index
Top post: "DOC: document `pd.Index.to_flat_index`", one of 4 posts from 4 people on GitHub issues.
PyPI upgrades break working setups
2 posts from 2 people on GitHub issues. Unverified.
Serving models on MLflow is harder than it should be
15 posts from 14 people on GitHub issues.
MLflow upgrades break working setups
13 posts from 12 people on GitHub issues.
pandas upgrades break working setups
10 posts from 10 people on GitHub issues.
Tools are clunky and unintuitive to use
9 posts from 9 people on GitHub issues, Reddit, Hacker News.
Trouble with pandas dataframe
Top post: "HDFStore.select with where=cat == None returns empty DataFrame for Categorical columns instead of matching", one of 8 posts from 7 people on GitHub issues, Stack Overflow.
pandas deprecations force unplanned migrations
7 posts from 6 people on GitHub issues.
Trouble with MLflow list
Top post: "`users/list` returns users from other workspaces when workspaces are enabled", one of 7 posts from 6 people on GitHub issues.
Trouble with pandas read
Top post: "CI: sanitizers environment has no pyarrow, so the read_csv pyarrow string path is never sanitized", one of 5 posts from 5 people on GitHub issues.
Trouble with pandas raises
Top post: "read_csv with usecols raises IndexError in low-memory mixed-dtype warning path", one of 5 posts from 5 people on GitHub issues.
Trouble with pandas series
Top post: "Series arithmetic ops with PyArrow dtypes and scalars can upcast", one of 5 posts from 4 people on GitHub issues, Stack Overflow.
pandas builds are slow or flaky
4 posts from 1 person on GitHub issues. Unverified.
Critical work in pandas is fragile and manual
4 posts from 4 people on GitHub issues.
Claude Code deprecations force unplanned migrations
4 posts from 4 people on GitHub issues.
Jupyter users keep asking for help
Top post: "the hamburger menu button is broken", one of 4 posts from 4 people on GitHub issues, Stack Overflow, Reddit.
Trouble with pandas instead
Top post: "`pd.merge` gives `float`s instead of integer extensions", one of 4 posts from 4 people on GitHub issues.
PostgreSQL connectors and syncs are fragile
4 posts from 4 people on GitHub issues, Hacker News.
Trouble with dbt fail
Top post: "`TIMESTAMPTZ_NS` cannot be compared with `TIMESTAMPTZ` or take an `INTERVAL`, so 1.5 queries on nanosecond", one of 3 posts from 3 people on GitHub issues.
Trouble with Polars value
Top post: "polars.read_excel() value error on very large date", one of 3 posts from 3 people on GitHub issues.
Trouble with pandas dtype
Top post: "pd.to_numeric with errors=coerce fails to produce actual NA values when applied to dtype string[pyarrow]", one of 3 posts from 3 people on GitHub issues.
Testing DuckDB pipelines and SQL is hard
2 posts from 2 people on GitHub issues. Unverified.
Trouble with pandas column
Top post: "mean of column with numpy arrays stopped working in 3.1.0", one of 2 posts from 2 people on Stack Overflow, GitHub issues. Unverified.
Serving models on Claude is harder than it should be
2 posts from 2 people on GitHub issues. Unverified.
About
Problems here are about pandas or name it. It is tracked from the product list on the Method page. Website: pandas.pydata.org.