class_docstr: Test PubChemFingerprint.
class_docstr_tok: ["Test","PubChemFingerprint","."]
docstr: Test simple fingerprint.
docstr_tok: ["Test","simple","fingerprint","."]
code: def test_pubchem_fingerprint(self):
      """
      Test simple fingerprint.
      """
      featurizer = PubChemFingerprint()
      feature_sum = featurizer([self.mol])
      assert feature_sum.shape == (1, 881)
  
imports: import unittest
  from deepchem.feat import PubChemFingerprint
label_desc: Use image node_id 2 for calling the TestPubChemFingerprint obj's underlying member method code with example usage: obj.test_pubchem_fingerprint() without return types