Add quotes to RDKit atom/bond object type hints, plays nicer with RDKit imports
2.3.1
2.3.0
- add option to omit `MoleculeGCN` readout layer(s) - add option to specify `MoleculeGCN` activation function - add comments throughout `MoleculeGCN`
2.2.0
- better handling of target variable tensors with varying shapes - add `.gitignore` - updates to docstrings, type hints - add unit tests - updates to example notebooks - update dependency versions - version bump: `2.1.4` -> `2.2.0`