diff --git a/selfdrive/car/hyundai/interface.py b/selfdrive/car/hyundai/interface.py
index 4222b82750..63e2271c64 100644
--- a/selfdrive/car/hyundai/interface.py
+++ b/selfdrive/car/hyundai/interface.py
@@ -1,5 +1,4 @@
 from panda import Panda
-
 from openpilot.selfdrive.car import get_safety_config, structs
 from openpilot.selfdrive.car.hyundai.hyundaicanfd import CanBus
 from openpilot.selfdrive.car.hyundai.values import HyundaiFlags, CAR, DBC, CANFD_CAR, CAMERA_SCC_CAR, CANFD_RADAR_SCC_CAR, \
diff --git a/selfdrive/car/mazda/interface.py b/selfdrive/car/mazda/interface.py
index dcf3a05511..9cb8797718 100755
--- a/selfdrive/car/mazda/interface.py
+++ b/selfdrive/car/mazda/interface.py
@@ -6,6 +6,7 @@ from openpilot.selfdrive.car.interfaces import CarInterfaceBase
 
 
 class CarInterface(CarInterfaceBase):
+
   @staticmethod
   def _get_params(ret: structs.CarParams, candidate, fingerprint, car_fw, experimental_long, docs):
     ret.carName = "mazda"
diff --git a/selfdrive/car/nissan/interface.py b/selfdrive/car/nissan/interface.py
index fba88bb37c..e9d8374d7d 100644
--- a/selfdrive/car/nissan/interface.py
+++ b/selfdrive/car/nissan/interface.py
@@ -5,6 +5,7 @@ from openpilot.selfdrive.car.nissan.values import CAR
 
 
 class CarInterface(CarInterfaceBase):
+
   @staticmethod
   def _get_params(ret: structs.CarParams, candidate, fingerprint, car_fw, experimental_long, docs):
     ret.carName = "nissan"
diff --git a/selfdrive/car/subaru/interface.py b/selfdrive/car/subaru/interface.py
index 9191de99d7..e9ed1b2129 100644
--- a/selfdrive/car/subaru/interface.py
+++ b/selfdrive/car/subaru/interface.py
@@ -6,6 +6,7 @@ from openpilot.selfdrive.car.subaru.values import CAR, GLOBAL_ES_ADDR, SubaruFla
 
 
 class CarInterface(CarInterfaceBase):
+
   @staticmethod
   def _get_params(ret: structs.CarParams, candidate: CAR, fingerprint, car_fw, experimental_long, docs):
     ret.carName = "subaru"