def __init__(self, sdat, istep, msg):
        """Initialization of instances:

        Args:
            sdat (:class:`~stagpy.stagyydata.StagyyData`): the StagyyData
                instance for which the request was made.
            istep (int): the invalid time step index.
            msg (str): the error message.

        Attributes:
            sdat (:class:`~stagpy.stagyydata.StagyyData`): the StagyyData
                instance for which the request was made.
            istep (int): the invalid time step index.
            msg (str): the error message.
        """
        self.sdat = sdat
        self.istep = istep
        self.msg = msg
        super().__init__(sdat, istep, msg)
def __init__ ( self , sdat , istep , msg ) : self . sdat = sdat self . istep = istep self . msg = msg super ( ) . __init__ ( sdat , istep , msg )
Initialization of instances:

        Args:
            sdat (:class:`~stagpy.stagyydata.StagyyData`): the StagyyData
                instance for which the request was made.
            istep (int): the invalid time step index.
            msg (str): the error message.

        Attributes:
            sdat (:class:`~stagpy.stagyydata.StagyyData`): the StagyyData
                instance for which the request was made.
            istep (int): the invalid time step index.
            msg (str): the error message.