# Upstream helpers for polars The files listed below were recovered from [K-Dense-AI/scientific-agent-skills](https://github.com/K-Dense-AI/scientific-agent-skills) at commit `0936740e52033a6256085be5fc81e5e56d606110`. The repository ID is `1079456184`. They retain the upstream **MIT** license reproduced in [UPSTREAM-LICENSE.txt](UPSTREAM-LICENSE.txt). This notice applies to the listed support files; it does not replace the license metadata of other catalog files. Preserve the upstream license and this attribution when redistributing them. License wording is unchanged; text-only trailing whitespace and EOF blank lines are normalized. Original license: https://github.com/K-Dense-AI/scientific-agent-skills/blob/0936740e52033a6256085be5fc81e5e56d606110/LICENSE.md | Local file | Original upstream path | Original Git blob SHA | Import changes | | --- | --- | --- | --- | | `references/core_concepts.md` | `skills/polars/references/core_concepts.md` | `e3a0e56f5e6c09af156a73049fcf87f7d614b387` | text-only trailing whitespace and EOF blank lines normalized | | `references/operations.md` | `skills/polars/references/operations.md` | `40441f58c45663be0a3da0f5561728831ff38ca7` | text-only trailing whitespace and EOF blank lines normalized | | `references/io_guide.md` | `skills/polars/references/io_guide.md` | `bbb9dc92d6e0b17020d7e8ff20b7599047bc6a17` | text-only trailing whitespace and EOF blank lines normalized | | `references/transformations.md` | `skills/polars/references/transformations.md` | `af57f1ce33d2ebbebe259bae844ac3772944510d` | text-only trailing whitespace and EOF blank lines normalized | | `references/pandas_migration.md` | `skills/polars/references/pandas_migration.md` | `aa5fd240c779c54e62fc96891d377bf2924188a7` | text-only trailing whitespace and EOF blank lines normalized | | `references/best_practices.md` | `skills/polars/references/best_practices.md` | `0585ed6d9a064133e075f9bd966f5bae97e822b3` | text-only trailing whitespace and EOF blank lines normalized |