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-rw-r--r--examples/pybullet/gym/pybullet_envs/minitaur/envs/minitaur_stand_gym_env.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/pybullet/gym/pybullet_envs/minitaur/envs/minitaur_stand_gym_env.py b/examples/pybullet/gym/pybullet_envs/minitaur/envs/minitaur_stand_gym_env.py
index 8135b7265..446a3156a 100644
--- a/examples/pybullet/gym/pybullet_envs/minitaur/envs/minitaur_stand_gym_env.py
+++ b/examples/pybullet/gym/pybullet_envs/minitaur/envs/minitaur_stand_gym_env.py
@@ -167,7 +167,7 @@ class MinitaurStandGymEnv(minitaur_gym_env.MinitaurGymEnv):
# Use the one dimensional action to rotate both bottom legs.
action_delta = [0, 0, -action, action, 0, 0, action, -action]
action_all_legs = map(add, action_all_legs, action_delta)
- return action_all_legs
+ return list(action_all_legs)
def _policy_flip(self, time_step, orientation):
"""Hand coded policy to make the minitaur stand up to its two legs.