The main function for salt-cloud

def salt_cloud():
    '''
    The main function for salt-cloud
    '''
    # Define 'salt' global so we may use it after ImportError. Otherwise,
    # UnboundLocalError will be raised.
    global salt  # pylint: disable=W0602

    try:
        # Late-imports for CLI performance
        import salt.cloud
        import salt.cloud.cli
    except ImportError as e:
        # No salt cloud on Windows
        log.error('Error importing salt cloud: %s', e)
        print('salt-cloud is not available in this system')
        sys.exit(salt.defaults.exitcodes.EX_UNAVAILABLE)
    if '' in sys.path:
        sys.path.remove('')

    client = salt.cloud.cli.SaltCloud()
    _install_signal_handlers(client)
    client.run()