def induced_edges(self):
        """Induced edges for each edge type. The return list
        length should be equal to the number of edge types.

        Returns
        -------
        list of utils.Index
            Induced edges
        """
        ret = _CAPI_DGLHeteroSubgraphGetInducedEdges(self)
        return [F.from_dgl_nd(v) for v in ret]
Induced edges for each edge type. The return list
        length should be equal to the number of edge types.

        Returns
        -------
        list of utils.Index
            Induced edges
        
python/dgl/heterograph_index.py