Merge pull request #1883 from QuLogic/no-distutils

Remove use of distutils

setup.py

@@ -26,11 +26,11 @@
 
 import fnmatch
 import os
+import shutil
 import subprocess
 import warnings
 from collections import defaultdict
-from distutils.spawn import find_executable
-from distutils.sysconfig import get_config_var
+from sysconfig import get_config_var
 
 from setuptools import Command, Extension, convert_path, setup
 
@@ -142,7 +142,7 @@ def find_package_tree(root_path, root_package):
 
 # Proj
 def find_proj_version_by_program(conda=None):
-    proj = find_executable('proj')
+    proj = shutil.which('proj')
     if proj is None:
         print(
             'Proj {} must be installed.'.format(