bug(polars): fix fmt_percent issue with polars-u64-idx

[lostmygithubaccount]

Summary

drive-by attempt at solving the issue I created. I'm sure there's a cleaner way to write this, but it unblocks me. feel free to push to this PR/request changes/close in favor of a better solution!

Related GitHub Issues and PRs

• Ref: fmt_percent doesn't work with polars-u64-idx #387

closes #387

Checklist

• I understand and agree to the Code of Conduct.
• I have followed the Style Guide for Python Code as best as possible for the submitted code.
• I have added pytest unit tests for any new functionality.

[machow]

IMO this can only help :p. Do you mind giving a little context on how a person gets to this polars install? (Do you install with a flag, or install a special pypi package?).

@rich-iannone do you mind reviewing? (seems okay to me, since it's a fallback behavior)

edit: oh wait, I see from the issue it's from installing https://pypi.org/project/polars-u64-idx/ . seems like into okay fix for now imo

[lostmygithubaccount]

yep for context, Polars as pip install polars doesn't work on ~>4.2 billion rows, so they have a separate polars-u64-idx you can install that has the same import: https://docs.pola.rs/user-guide/installation/#big-index

[rich-iannone]

LGTM!

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 86.45%. Comparing base (793bd2a) to head (d5d07c9).

Files	Patch %	Lines
great_tables/_tbl_data.py	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #388      +/-   ##
==========================================
- Coverage   86.48%   86.45%   -0.04%     
==========================================
  Files          42       42              
  Lines        4685     4689       +4     
==========================================
+ Hits         4052     4054       +2     
- Misses        633      635       +2     

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[rich-iannone]

@machow a flake8 rule has been flagged here:

E722 do not use bare 'except'