diff --git a/tests/test_devices.py b/tests/test_devices.py
index 7eaae26..cbf0042 100644
--- a/tests/test_devices.py
+++ b/tests/test_devices.py
@@ -1,5 +1,6 @@
 from compose_viz.models.device import Device
 
+
 def test_device_init_normal() -> None:
     try:
         d = Device(host_path="/dev/ttyUSB0", container_path="/dev/ttyUSB1")
@@ -9,6 +10,7 @@ def test_device_init_normal() -> None:
     except Exception as e:
         assert False, e
 
+
 def test_device_with_cgroup_permissions() -> None:
     try:
         d = Device(host_path="/dev/sda1", container_path="/dev/xvda", cgroup_permissions="rwm")
@@ -17,4 +19,4 @@ def test_device_with_cgroup_permissions() -> None:
         assert d.container_path == "/dev/xvda"
         assert d.cgroup_permissions == "rwm"
     except Exception as e:
-        assert False, e
\ No newline at end of file
+        assert False, e