Add blog post on handling all these type checkers#3341
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Add blog post on handling all these type checkers#3341MarcoGorelli wants to merge 1 commit intofacebook:mainfacebook/pyrefly:mainfrom MarcoGorelli:too-many-type-checkersMarcoGorelli/pyrefly:too-many-type-checkersCopy head branch name to clipboard
MarcoGorelli wants to merge 1 commit intofacebook:mainfacebook/pyrefly:mainfrom
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javabster
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May 8, 2026
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| ## The Polars story | ||
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| Polars is a modern dataframe library which, since its launch in 2020, has been taking the data science world by storm. As a heavy user of the library, I was very interested in making its developer experience even better. If Polars' types are accurate, then as user I get better auto-complete, documentation, and [protection from certain classes of bugs](https://pyrefly.org/blog/surprising-errors/). What would it take to add Pyrefly to Polars' continuous integration jobs? |
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| Polars is a modern dataframe library which, since its launch in 2020, has been taking the data science world by storm. As a heavy user of the library, I was very interested in making its developer experience even better. If Polars' types are accurate, then as user I get better auto-complete, documentation, and [protection from certain classes of bugs](https://pyrefly.org/blog/surprising-errors/). What would it take to add Pyrefly to Polars' continuous integration jobs? | |
| Polars is a modern dataframe library which, since its launch in 2020, has been taking the data science world by storm. As a heavy user of the library, I was very interested in making its developer experience even better. If Polars' types are accurate, then as a user I get better auto-complete, documentation, and [protection from certain classes of bugs](https://pyrefly.org/blog/surprising-errors/). What would it take to add Pyrefly to Polars' continuous integration jobs? |
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Summary
Fixes #XXXX
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