diff --git a/pymatgen/ext/tests/test_matproj.py b/pymatgen/ext/tests/test_matproj.py
index 357a75f7423..d0779cc209f 100644
--- a/pymatgen/ext/tests/test_matproj.py
+++ b/pymatgen/ext/tests/test_matproj.py
@@ -516,6 +516,5 @@ def test_pourbaix_mpr_pipeline(self):
         self.assertTrue(all(["Bi" in entry.composition and "V" in entry.composition for entry in pbx.all_entries]))
 
 
-
 if __name__ == "__main__":
     unittest.main()