Merge pull request #20759 from charris/fix-20692

MAINT: Raise RuntimeError if setuptools version is too recent.

1 files changed, 4 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 6e62b0f65..bfb40acf1 100755
--- a/setup.py
+++ b/setup.py
@@ -85,6 +85,10 @@ if os.path.exists('MANIFEST'):
 # so that it is in sys.modules
 import numpy.distutils.command.sdist
 import setuptools
+if int(setuptools.__version__.split('.')[0]) >= 60:
+    raise RuntimeError(
+        "Setuptools version is '{}', version < '60.0.0' is required. "
+        "See pyproject.toml".format(setuptools.__version__))
 
 # Initialize cmdclass from versioneer
 from numpy.distutils.core import numpy_cmdclass