python2.7 - Python ValueError

錯誤資訊:

Traceback (most recent call last):
File "", line 1, in 
File "/tmp/pip-build-l75ZwH/pyev/setup.py", line 56, in 
check_version(python_version, min_python_versions[major], "Python{0}".format(major))
File "/tmp/pip-build-l75ZwH/pyev/setup.py", line 40, in check_version
if StrictVersion(current_version) < StrictVersion(minimum_version):
File "/usr/lib/python2.7/distutils/version.py", line 40, in init
self.parse(vstring)
File "/usr/lib/python2.7/distutils/version.py", line 107, in parse
raise ValueError, "invalid version number '%s'" % vstring
ValueError: invalid version number '2.7.11+'

环境：Kali Linux

安装 MHN（Modern Honey Network) 时出现的错误，用的是脚本安装，安装了很多 python 包，最后出了这么一个错误。