def __init__(self, option):
        """Initialization of instances:

        Args:
            option (str): invalid option name.

        Attributes:
            option (str): invalid option name.
        """
        self.option = option
        super().__init__('invalid option name: {}'.format(option))
def __init__ ( self , option ) : self . option = option super ( ) . __init__ ( 'invalid option name: {}' . format ( option ) )
Initialization of instances:

        Args:
            option (str): invalid option name.

        Attributes:
            option (str): invalid option name.