def __init__(self, client, dag_name):
        """ Initialise the task signal convenience class.

        Args:
            client (Client): A reference to a signal client object.
            dag_name (str): The name of the dag the task belongs to.
        """
        self._client = client
        self._dag_name = dag_name
def __init__ ( self , client , dag_name ) : self . _client = client self . _dag_name = dag_name
Initialise the task signal convenience class.

        Args:
            client (Client): A reference to a signal client object.
            dag_name (str): The name of the dag the task belongs to.