No need to run-depend on setuptools_rust and rust.. Index: pyproject.toml --- pyproject.toml.orig +++ pyproject.toml @@ -217,7 +217,7 @@ pydantic = ">=1.7.4" # This isn't really a dev-dependency, as `poetry install --no-dev` will fail, # but the alternative is to add it to the main list of deps where it isn't # needed. -setuptools_rust = ">=1.3" +# setuptools_rust = ">=1.3" # Optional Dependencies