diff --git a/test/test_literal/test_datetime.py b/test/test_literal/test_datetime.py
index 0f24d73ff..f97f22318 100644
--- a/test/test_literal/test_datetime.py
+++ b/test/test_literal/test_datetime.py
@@ -43,8 +43,11 @@ def test_timezone_z(self):
         )
 
         assert isinstance(l.toPython(), datetime)
-        assert datetime_isoformat(
-            l.toPython() == DATE_EXT_COMPLETE + "T" + "%H:%M:%S.%f" + TZ_EXT, dt
+        assert (
+            datetime_isoformat(
+                l.toPython(), DATE_EXT_COMPLETE + "T" + "%H:%M:%S.%f" + TZ_EXT
+            )
+            == dt
         )
         assert l.toPython().isoformat() == "2008-12-01T18:02:00.522630+00:00"