diff --git a/tests/test_atoms_state.py b/tests/test_atoms_state.py
index 97bd9a67..c5a9f1bc 100644
--- a/tests/test_atoms_state.py
+++ b/tests/test_atoms_state.py
@@ -22,7 +22,6 @@
 from nomad.units import ureg
 
 from . import logger
-
 from nomad_simulations.atoms_state import (
     OrbitalsState,
     CoreHole,
diff --git a/tests/test_model_system.py b/tests/test_model_system.py
index 5851f418..69d0376b 100644
--- a/tests/test_model_system.py
+++ b/tests/test_model_system.py
@@ -22,7 +22,6 @@
 from nomad.units import ureg
 
 from . import logger
-
 from nomad_simulations.model_system import (
     AtomicCell,
     Symmetry,