报错：ModuleNotFoundError: No module named '_ctypes'

[root@master setuptools-41.0.1]# python3.7 setup.py build
Traceback (most recent call last):
  File "setup.py", line 11, in <module>
    import setuptools
  File "/bigdata/sources/python/setuptools-41.0.1/setuptools/__init__.py", line 20, in <module>
    from setuptools.dist import Distribution, Feature
  File "/bigdata/sources/python/setuptools-41.0.1/setuptools/dist.py", line 35, in <module>
    from setuptools import windows_support
  File "/bigdata/sources/python/setuptools-41.0.1/setuptools/windows_support.py", line 2, in <module>
    import ctypes
  File "/usr/local/python3.7/lib/python3.7/ctypes/__init__.py", line 7, in <module>
    from _ctypes import Union, Structure, Array
ModuleNotFoundError: No module named '_ctypes'
[root@master setuptools-41.0.1]#