Error while creating graph from input of type "<class 'dgl.subgraph.DGLSubGraph'>"

[Harsha]

I am running the code from this repository Link with dgl==0.1.3 and I am facing this error. I am not sure why its coming. I have attached the code snippet and the error below.

code snippet

    def _prepare_subgraphs(self, nodes, r_label, n_labels):
        subgraph = dgl.DGLGraph(self.graph.subgraph(nodes))

Error

Traceback (most recent call last):
  File "train.py", line 222, in <module>
    main(params)
  File "train.py", line 32, in main
    kge_model=params.kge_model, file_name=params.train_file)
  File "/home2/harsha.vasamsetti/SumGNN-master_olddgl/subgraph_extraction/datasets.py", line 142, in __init__
    self.__getitem__(0)
  File "/home2/harsha.vasamsetti/SumGNN-master_olddgl/subgraph_extraction/datasets.py", line 150, in __getitem__
    subgraph_pos = self._prepare_subgraphs(nodes_pos, r_label_pos, n_labels_pos)
  File "/home2/harsha.vasamsetti/SumGNN-master_olddgl/subgraph_extraction/datasets.py", line 159, in _prepare_subgraphs
    subgraph = dgl.DGLGraph(self.graph.subgraph(nodes))
  File "/home2/harsha.vasamsetti/.miniconda3/envs/sumgnn=0.1.3/lib/python3.7/site-packages/dgl/graph.py", line 181, in __init__
    self._graph = create_graph_index(graph_data, multigraph, readonly)
  File "/home2/harsha.vasamsetti/.miniconda3/envs/sumgnn=0.1.3/lib/python3.7/site-packages/dgl/graph_index.py", line 925, in create_graph_index
    % type(graph_data))
dgl._ffi.base.DGLError: Error while creating graph from input of type "<class 'dgl.subgraph.DGLSubGraph'>".

[a651694192]

hi @Harsha, seems you met another error also caused by DGL version, could you try this also using your new version? Because 0.1.3 is really a very old version.