code: def test_get_partial_charge(self):
      from rdkit import Chem
  
      mol = Chem.MolFromSmiles("CC")
      atom = mol.GetAtoms()[0]
      partial_charge = get_partial_charge(atom)
      assert partial_charge == 0
  
file_path: deepchem/deepchem/utils/test/test_fragment_utils.py
imports: import os
  import unittest
  import numpy
  from deepchem.utils import rdkit_utils
  from deepchem.utils.fragment_utils import get_contact_atom_indices
  from deepchem.utils.fragment_utils import merge_molecular_fragments
  from deepchem.utils.fragment_utils import get_partial_charge
  from deepchem.utils.fragment_utils import strip_hydrogens
  from deepchem.utils.fragment_utils import MolecularFragment
  from deepchem.utils.fragment_utils import AtomShim
label_desc: Use image node_id 6 for calling the TestFragmentUtil obj's underlying member method code with example usage: obj.test_get_partial_charge() without return types