diff --git a/tests/regression_tests/cpp_driver/test.py b/tests/regression_tests/cpp_driver/test.py
index 3ccb126fa..a562f895e 100644
--- a/tests/regression_tests/cpp_driver/test.py
+++ b/tests/regression_tests/cpp_driver/test.py
@@ -49,6 +49,7 @@ def model():
     model.settings.inactive = 1
     return model
 
+
 class ExternalDriverTestHarness(PyAPITestHarness):
 
     def __init__(self, executable, statepoint_name, model=None):
@@ -62,4 +63,4 @@ class ExternalDriverTestHarness(PyAPITestHarness):
 
 def test_cpp_driver(driver, model):
     harness = ExternalDriverTestHarness(driver, 'statepoint.10.h5', model)
-    harness.main()
\ No newline at end of file
+    harness.main()