| --- a/pyproject.toml |
| +++ b/pyproject.toml |
| @@ -1,3 +1,3 @@ |
| [build-system] |
| -requires = ["setuptools", "wheel", "Cython<3.0"] |
| +requires = ["setuptools", "wheel", "Cython"] |
| build-backend = "setuptools.build_meta" |
| --- a/setup.py |
| +++ b/setup.py |
| @@ -82,7 +82,7 @@ if 'sdist' in sys.argv or os.environ.get |
| with_cython = True |
| try: |
| from Cython.Distutils.extension import Extension as _Extension |
| - from Cython.Distutils import build_ext as _build_ext |
| + from Cython.Distutils.old_build_ext import old_build_ext as _build_ext |
| with_cython = True |
| except ImportError: |
| if with_cython: |