M3GNet Training Tutorial Not Working about matgl

[kenko911]

I think @lbluque has pushed the fix to the tutorial for M3GNet training. I will close this issue if no any further problems.

[rydeveraumn]

For anyone looking to work through the tutorial, it looks like labels are now passed as a dictionary to the M3GNetDataset:

I would be happy to update the tutorial and contribute.

[shyuep]

Thanks yes. I recently refactored the Dataset class to make it more consistent and intuitive. If you can help make the adjustments to the tutorial, that would be great.

[rydeveraumn]

Thank you so much @shyuep @kenko911 - I appreciate the help!