Issue 1

To Fix this issue, just upgrade setuptools: pip install --upgrade setuptools

[[email protected] ~]# pip install ansible
Collecting ansible
  Downloading (14.3MB)
    100% |████████████████████████████████| 14.4MB 91.2MB/s
    Complete output from command python egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-ZB_0YS/ansible/", line 330, in <module>
      File "/tmp/pip-build-ZB_0YS/ansible/", line 325, in main
      File "/usr/lib64/python2.7/distutils/", line 112, in setup
        _setup_distribution = dist = klass(attrs)
      File "/usr/lib/python2.7/site-packages/setuptools/", line 269, in __init__
      File "/usr/lib64/python2.7/distutils/", line 287, in __init__
      File "/usr/lib/python2.7/site-packages/setuptools/", line 302, in finalize_options
        ep.load()(self,, value)
      File "/usr/lib/python2.7/site-packages/pkg_resources/", line 2341, in load
        return self.resolve()
      File "/usr/lib/python2.7/site-packages/pkg_resources/", line 2351, in resolve
        raise ImportError(str(exc))
    ImportError: 'module' object has no attribute 'check_specifier'

Command "python egg_info" failed with error code 1 in /tmp/pip-build-ZB_0YS/ansible/
You are using pip version 8.1.2, however version 19.2.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.