def sys_toolbox_dir():
    """
    Returns this site-package esri toolbox directory.
    """
    return os.path.join(os.path.dirname(os.path.abspath(__file__)), 'esri', 'toolboxes')
def sys_toolbox_dir ( ) : return os . path . join ( os . path . dirname ( os . path . abspath ( __file__ ) ) , 'esri' , 'toolboxes' )
Returns this site-package esri toolbox directory.