polars: fix element-wise checks, register backends

unionai-oss / pandera

A light-weight, flexible, and expressive statistical data testing library

https://www.union.ai/pandera

MIT License

3.05k stars 281 forks source link

Closed cosmicBboy closed 1 month ago

cosmicBboy commented 1 month ago

Fixes #1565

This PR fixes element-wise checks in the polars backend. It also registers backends at module import.