Hi, If I try
from rdkit.Chem.rdMolDescriptors import CalcNumAtoms I get cannot import name 'CalcNumAtoms' from 'rdkit.Chem.rdMolDescriptors' I can import a range of other descriptors fine Using Python 3.7.6 and RDKit 2020.09.1 Cheers Chris _______________________________________________ Rdkit-discuss mailing list Rdkit-discuss@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rdkit-discuss