diff --git a/tests/test_calculation_history.py b/tests/test_calculation_history.py
index 4da578921..345a20f3b 100644
--- a/tests/test_calculation_history.py
+++ b/tests/test_calculation_history.py
@@ -1,5 +1,6 @@
 import pytest
 
+
 @pytest.mark.usefixtures("aiida_profile_clean")
 def test_calculation_history(generate_qeapp_workchain):
     from aiidalab_qe.app.utils.search_jobs import CalculationHistory
@@ -9,4 +10,4 @@ def test_calculation_history(generate_qeapp_workchain):
 
     calculation_history = CalculationHistory()
     calculation_history.load_table()
-    assert len(calculation_history.table.data) == 1
\ No newline at end of file
+    assert len(calculation_history.table.data) == 1