class_docstr: Dummy test class derived from MolecularFeaturizer where `use_original_atoms_order` parameter is not initialised
class_docstr_tok: ["Dummy","test","class","derived","from","MolecularFeaturizer","where","`","use_original_atoms_order","`","parameter","is","not","initialised"]
docstr: Returns mapping of atomic number and atom ranks as feature vector (only for testing purposes)
docstr_tok: ["Returns","mapping","of","atomic","number","and","atom","ranks","as","feature","vector","(","only","for","testing","purposes",")"]
code: def _featurize(self, datapoint, **kwargs):
      """
      Returns mapping of atomic number and atom ranks as feature vector (only for testing purposes)
      """
      if isinstance(datapoint, Chem.rdchem.Mol):
          atoms_order = []
          for atom in datapoint.GetAtoms():
              atoms_order.append((atom.GetAtomicNum(), atom.GetIdx()))
          return atoms_order
  
imports: from deepchem.feat.base_classes import MolecularFeaturizer
  from deepchem.feat import MolGraphConvFeaturizer
  from rdkit import Chem
  import unittest
  import numpy
label_desc: Use image node_id 2 for calling the DummyTestClass obj's underlying member method code with example usage: obj._featurize(datapoint) and returns: atoms_order