Using pickle.load() between different DGL versions

Questions
#1

Hi! I am encountering the same issue as in here: https://discuss.dgl.ai/t/how-to-use-pickle-load-lib-in-dgl/3606 and I was wondering if there’s any solution to make it work?

Thanks in advance!

#2

Maintaining backward compatibility for pickling is inherently hard because it many times rely on internal states. You could try the following:

  1. Roll back to the old DGL version that you used to pickle the graph.
  2. Load the graph using pickle.load and then resave it using dgl.save_graphs.
  3. Switch to the latest DGL.
  4. Load the graph using dgl.load_graphs.
#3

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