from .v1 import Graph
class GraphV2(Graph):
    def __init__(self, x_dim=None,
                 edge_dim=None,
                 deg=None,
                 dtype=None):
        super(GraphV2, self).__init__(x_dim=x_dim+1,
                                      edge_dim=edge_dim,
                                      deg=deg,
                                      dtype=dtype)