code: def test_smiles2mol(chemdf, progressbar):
      """Test each SMILES properly converted to Mol object."""
      from rdkit import Chem
  
      chemdf = chemdf.smiles2mol("smiles", "mol", progressbar)
      assert "mol" in chemdf.columns
      for elem in chemdf["mol"]:
          assert isinstance(elem, Chem.rdchem.Mol)
  
imports: import importlib
  import pytest
  from helpers import running_on_ci
label_desc: Use image node_id 1 for calling a global function with example usage: test_smiles2mol(chemdf, progressbar) without return types