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by gbleaney 2139 days ago
In addition to what Sinan said, we've had success running on fully untyped codebases. These are you some strategies that you can use to get results on untyped codebases: https://pyre-check.org/docs/pysa-coverage.html

Types will definitely make Pysa find more issues, but you don't need 100% coverage, or really more than the minimal coverage described in that doc I linked, to start finding some issues.