Panic when trying to use List(Categorical) set_intersection with concat_list of other column with nulls or empty frame #16405
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bug
Something isn't working
needs triage
Awaiting prioritization by a maintainer
python
Related to Python Polars
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Reproducible example
Log output
Issue description
Got panic on new version.
When tried to reproduce, cached another related panic, but with different trace.
Panic with null value is reproducible from 0.20.15 (didn't bother checking earlier versions) - only appears when
match
columns is null.Panic on this expression when dataframe is completely empty is new, appeas on 0.20.27, while 0.20.26 is ok.
Edit: 0.20.28 is also affected.
Expected behavior
No crashes
Installed versions
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