diff --git a/sim/humanoid_gym/envs/legs_config.py b/sim/humanoid_gym/envs/legs_config.py
index 2c98a793..8be39bcd 100755
--- a/sim/humanoid_gym/envs/legs_config.py
+++ b/sim/humanoid_gym/envs/legs_config.py
@@ -3,9 +3,8 @@
 from humanoid.envs.base.legged_robot_config import LeggedRobotCfg, LeggedRobotCfgPPO
 
 from sim.env import stompy_urdf_path
-from sim.stompy.joints import StompyFixed
 from sim.humanoid_gym.envs.stompy_config import StompyCfg
-
+from sim.stompy.joints import StompyFixed
 
 NUM_JOINTS = len(StompyFixed.default_standing())  # 17
 
diff --git a/sim/humanoid_gym/envs/legs_env.py b/sim/humanoid_gym/envs/legs_env.py
index 8d4e1214..f9fdddf9 100755
--- a/sim/humanoid_gym/envs/legs_env.py
+++ b/sim/humanoid_gym/envs/legs_env.py
@@ -1,14 +1,13 @@
 # mypy: disable-error-code="valid-newtype"
 """Defines the environment for training the Stompy with fixed torso."""
 
+import torch
 from humanoid.envs import LeggedRobot
 from humanoid.envs.base.legged_robot_config import LeggedRobotCfg
 from humanoid.utils.terrain import HumanoidTerrain
 from isaacgym import gymtorch
 from isaacgym.torch_utils import *
 
-import torch
-
 from sim.stompy.joints import StompyFixed
 
 
diff --git a/sim/humanoid_gym/envs/stompy_env.py b/sim/humanoid_gym/envs/stompy_env.py
index 6b257229..461c9a6a 100755
--- a/sim/humanoid_gym/envs/stompy_env.py
+++ b/sim/humanoid_gym/envs/stompy_env.py
@@ -1,14 +1,13 @@
 # mypy: disable-error-code="valid-newtype"
 """Defines the environment for training the humanoid."""
 
+import torch
 from humanoid.envs import LeggedRobot
 from humanoid.envs.base.legged_robot_config import LeggedRobotCfg
 from humanoid.utils.terrain import HumanoidTerrain
 from isaacgym import gymtorch
 from isaacgym.torch_utils import *
 
-import torch
-
 from sim.stompy.joints import Stompy