use the vendored one in setuptools

Author: ocefpaf

setup.py

@@ -3,7 +3,7 @@
 import shutil
 import configparser
 from setuptools import setup, Extension, find_namespace_packages
-from distutils.dist import Distribution
+from setuptools.dist import Distribution
 
 setuptools_extra_kwargs = {
     "install_requires": ["numpy>=1.9","cftime"],