pyproject: fix poetry build

.github/workflows/tests.yml

@@ -57,6 +57,11 @@ jobs:
           platforms: all
       - name: Build wheels
         uses: pypa/[email protected]
+        env:
+          # Ideally we'd specify this in the [project] section of pyproject.toml,
+          # but this causes issues with poetry.
+          # See https://cibuildwheel.readthedocs.io/en/stable/options/#requires-python
+          CIBW_PROJECT_REQUIRES_PYTHON: ">=3.10"
         with:
           output-dir: dist
       - name: Upload artifacts

pyproject.toml

@@ -84,6 +84,3 @@ archs = ["universal2"]
 [build-system]
 requires = ["poetry-core>=1.0.0", "setuptools>=40.6.0", "Cython>=0.29.0"]
 build-backend = "poetry.core.masonry.api"
-
-[project]
-requires-python = ">=3.10"