fix macos build

Author: letmaik

.github/scripts/build-macos.sh

@@ -29,7 +29,7 @@ set -x
 popd
 
 # Install dependencies
-pip install numpy==$NUMPY_VERSION wheel delocate
+pip install numpy==$NUMPY_VERSION wheel delocate setuptools
 
 # List installed packages
 pip freeze

setup.py

@@ -3,11 +3,12 @@
 import platform
 import sys
 import glob
-from distutils.unixccompiler import UnixCCompiler
 from setuptools import setup, Extension, find_packages
 from setuptools.command.build_ext import build_ext
 import setuptools
 
+from distutils.unixccompiler import UnixCCompiler
+
 class get_pybind_include(object):
     """Helper class to determine the pybind11 include path
     The purpose of this class is to postpone importing pybind11
@@ -85,7 +86,7 @@ def has_flag(compiler, flagname):
         fname = f.name
     try:
         compiler.compile([fname], extra_postargs=[flagname])
-    except setuptools.distutils.errors.CompileError:
+    except setuptools.errors.CompileError:
         return False
     finally:
         try: