'Version verification is performed in __init__ to catch the
requirement early in the execution of Ansible and fail gracefully'

def __init__(self):

    super(CallbackModule, self).__init__()
    if (not version_requirement(__version__)):
        display(('FATAL:    Current    Ansible    version    (%s)    is    not    supported.    %s' % (__version__, DESCRIPTION)), color='red')
        sys.exit(1)
