diff --git a/openff/toolkit/_tests/test_molecule.py b/openff/toolkit/_tests/test_molecule.py
index cf20017a4..5de3ccf62 100644
--- a/openff/toolkit/_tests/test_molecule.py
+++ b/openff/toolkit/_tests/test_molecule.py
@@ -3676,7 +3676,6 @@ def test_deepcopy_not_shallow(self):
 
 @requires_pkg("IPython")
 class TestMoleculeVisualization:
-
     @requires_rdkit
     def test_visualize_rdkit(self):
         """