def __init__(self, node, child, msg):
        """Resolve Error at `node` handling `child`."""
        super(ResolverError, self).__init__(msg)
        self.node = node
        self.child = child
def __init__ ( self , node , child , msg ) : super ( ResolverError , self ) . __init__ ( msg ) self . node = node self . child = child
Resolve Error at `node` handling `child`.