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has anybody noticed isort shuffles stuff around based on what targets you call `lint`/ `fmt` on?
We've had some issues where our pre-commit hook that uses `--changed-since=HEAD lint` isort will complain about making changes, but then when you manually do `fmt ::`  nothing will change

yes, the pants sandboxing can interfere with `isort`’s inference of what’s 1st party and what’s 3rd party (i.e. if the sandbox omits one of your modules, `isort` will think it’s a 3rdparty-dep)

we’ve worked around this using `[tool.isort].known_first_party` in our `pyproject.toml`

I suspect this is due to <https://github.com/pantsbuild/pants/issues/15069>

And yeah, setting the `known_first_party` in isort config should be a workable bandaid