PEP 604: from __future__ import annotations - Githubissues

facebook / pyre-check

Performant type-checking for python.

https://pyre-check.org/

MIT License

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PEP 604: from future import annotations #841

Closed cclauss closed 4 months ago

cclauss commented 4 months ago

Pre-submission checklist

[ ] I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running pip install -r requirements-dev.txt && pre-commit install
[x] pre-commit run

Summary

Fixes #827

Our GitHub Actions tests are failing on Python < 3.10 because of the use of PEP 604 syntax.

PEP 604 – Allow writing union types as X | Y -- https://peps.python.org/pep-0604

Test Plan

Get the GitHub Actions tests to pass.