diff --git a/Makefile b/Makefile
index d82903ac..6f99fd30 100755
--- a/Makefile
+++ b/Makefile
@@ -76,6 +76,7 @@ clean:
 # ------------------------ #
 
 format:
+	@isort --profile black sim
 	@black sim
 	@ruff format sim
 .PHONY: format
@@ -86,6 +87,7 @@ format-cpp:
 .PHONY: format-cpp
 
 static-checks:
+	@isort --profile black --check --diff sim
 	@black --diff --check sim
 	@ruff check sim
 	@mypy --install-types --non-interactive sim
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
 
 
diff --git a/sim/requirements-dev.txt b/sim/requirements-dev.txt
index e36b6486..ea9ccc86 100644
--- a/sim/requirements-dev.txt
+++ b/sim/requirements-dev.txt
@@ -5,3 +5,4 @@ darglint
 mypy
 pytest
 ruff
+isort
\ No newline at end of file