qiskit/dagcircuit/dagcircuit.py
def predecessors(self, node):
        """Returns list of the predecessors of a node as DAGNodes."""
        if isinstance(node, int):
            warnings.warn('Calling predecessors() with a node id is deprecated,'
                          ' use a DAGNode instead',
                          DeprecationWarning, 2)
            node = self._id_to_node[node]

        return self._multi_graph.predecessors(node)
def predecessors(self, node):
        if isinstance(node, int):
            warnings.warn('Calling predecessors() with a node id is deprecated,'
                          ' use a DAGNode instead',
                          DeprecationWarning, 2)
            node = self._id_to_node[node]

        return self._multi_graph.predecessors(node)
def predecessors ( self , node ) : if isinstance ( node , int ) : warnings . warn ( 'Calling predecessors() with a node id is deprecated,' ' use a DAGNode instead' , DeprecationWarning , 2 ) node = self . _id_to_node [ node ] return self . _multi_graph . predecessors ( node )
Returns list of the predecessors of a node as DAGNodes.
Returns list of the predecessors of a node as DAGNodes .