class_docstr: Test MACCSKeyFingerprint.
class_docstr_tok: ["Test","MACCSKeyFingerprint","."]
docstr: Set up tests.
docstr_tok: ["Set","up","tests","."]
code: def setUp(self):
      """
      Set up tests.
      """
      from rdkit import Chem
  
      smiles = "CC(=O)OC1=CC=CC=C1C(=O)O"
      self.mol = Chem.MolFromSmiles(smiles)
  
imports: import unittest
  from deepchem.feat import MACCSKeysFingerprint
label_desc: Use image node_id 1 for calling the TestMACCSKeysFingerprint obj's underlying member method code with example usage: obj.setUp() without return types