diff --git a/dymos/examples/aircraft_steady_flight/test/test_aircraft_cruise.py b/dymos/examples/aircraft_steady_flight/test/test_aircraft_cruise.py
index c61318287..bd478afec 100644
--- a/dymos/examples/aircraft_steady_flight/test/test_aircraft_cruise.py
+++ b/dymos/examples/aircraft_steady_flight/test/test_aircraft_cruise.py
@@ -318,6 +318,5 @@ def test_cruise_results_birkhoff(self):
         assert_near_equal(mass_fuel[-1, ...], 0.0, tolerance=1.0E-4)
 
 
-
 if __name__ == '__main__':  # pragma: no cover
     unittest.main()