diff --git a/tests/test_base_device.py b/tests/test_base_device.py
index cc8c4d12..59b9411d 100644
--- a/tests/test_base_device.py
+++ b/tests/test_base_device.py
@@ -783,6 +783,7 @@ def test_tracker_single_tape(self):
         assert np.allclose(
             qiskit_dev.tracker.history["results"], dev.tracker.history["results"], atol=0.1
         )
+
         assert np.shape(qiskit_dev.tracker.history["results"]) == np.shape(
             dev.tracker.history["results"]
         )