Added max Cython version.

Eric-Vin · Eric-Vin · commit ba2c811980d5 · 2023-08-15T12:29:10.000-07:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools", "wheel", "oldest-supported-numpy", "Cython"]
+requires = ["setuptools", "wheel", "oldest-supported-numpy", "Cython<3.0"]
 build-backend = "setuptools.build_meta"
 
 [tool.cibuildwheel]
