def _imm_dir(self):
    '''
    An immutable object's dir function should list not only its attributes, but also its un-cached
    lazy values.
    '''
    dir0 = set(dir(self.__class__))
    dir0.update(self.__dict__.keys())
    dir0.update(six.iterkeys(_imm_value_data(self)))
    return sorted(list(dir0))
def _imm_dir ( self ) : dir0 = set ( dir ( self . __class__ ) ) dir0 . update ( self . __dict__ . keys ( ) ) dir0 . update ( six . iterkeys ( _imm_value_data ( self ) ) ) return sorted ( list ( dir0 ) )
An immutable object's dir function should list not only its attributes, but also its un-cached
    lazy values.