diff --git a/openff/toolkit/_tests/test_molecule.py b/openff/toolkit/_tests/test_molecule.py
index ea9dc46a8..cf20017a4 100644
--- a/openff/toolkit/_tests/test_molecule.py
+++ b/openff/toolkit/_tests/test_molecule.py
@@ -3674,8 +3674,9 @@ def test_deepcopy_not_shallow(self):
         assert mol_source._partial_charges is not mol_copy._partial_charges
 
 
+@requires_pkg("IPython")
 class TestMoleculeVisualization:
-    @requires_pkg("IPython")
+
     @requires_rdkit
     def test_visualize_rdkit(self):
         """