diff --git a/selfdrive/car/honda/values.py b/selfdrive/car/honda/values.py
index 85a2de0f98..480ec0f9bf 100644
--- a/selfdrive/car/honda/values.py
+++ b/selfdrive/car/honda/values.py
@@ -6,8 +6,7 @@ from selfdrive.car import CarInfo, dbc_dict
 Ecu = car.CarParams.Ecu
 VisualAlert = car.CarControl.HUDControl.VisualAlert
 
-
-class CarControllerParams():
+class CarControllerParams:
   # Allow small margin below -3.5 m/s^2 from ISO 15622:2018 since we
   # perform the closed loop control, and might need some
   # to apply some more braking if we're on a downhill slope.
diff --git a/selfdrive/car/hyundai/values.py b/selfdrive/car/hyundai/values.py
index ecc18ce000..cea100c01e 100644
--- a/selfdrive/car/hyundai/values.py
+++ b/selfdrive/car/hyundai/values.py
@@ -4,7 +4,6 @@ from cereal import car
 from selfdrive.car import CarInfo, dbc_dict
 Ecu = car.CarParams.Ecu
 
-
 # Steer torque limits
 class CarControllerParams:
   ACCEL_MIN = -3.5 # m/s
diff --git a/selfdrive/car/mazda/values.py b/selfdrive/car/mazda/values.py
index 5605ff4805..026b73007d 100644
--- a/selfdrive/car/mazda/values.py
+++ b/selfdrive/car/mazda/values.py
@@ -220,6 +220,7 @@ FW_VERSIONS = {
       b'PYKE-21PS1-B\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00',
     ],
   },
+
   CAR.MAZDA6: {
     (Ecu.eps, 0x730, None): [
       b'GBEF-3210X-B-00\x00\x00\x00\x00\x00\x00\x00\x00\x00',