code: def test_sdf_load():
      current_dir = os.path.dirname(os.path.realpath(__file__))
      featurizer = dc.feat.CircularFingerprint(size=16)
      loader = dc.data.SDFLoader(
          ["LogP(RRCK)"], featurizer=featurizer, sanitize=True
      )
      dataset = loader.create_dataset(
          os.path.join(current_dir, "membrane_permeability.sdf")
      )
      assert len(dataset) == 2
  
file_path: deepchem/deepchem/data/tests/test_sdf_loader.py
imports: import os
  import deepchem
label_desc: Use image node_id 1 for calling a global function with example usage: test_sdf_load() without return types