[gym] Use tuple instead of list to store constant sequences to preser…

…ve value and type check. (#268) Co-authored-by: Alexis Duburcq <alexis.duburcq@wandercraft.eu>
duburcqa · Jan 14, 2021 · 1790ec2 · 1790ec2
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diff --git a/python/gym_jiminy/common/gym_jiminy/common/envs/env_locomotion.py b/python/gym_jiminy/common/gym_jiminy/common/envs/env_locomotion.py
@@ -19,9 +19,9 @@
 from .env_generic import BaseJiminyEnv
 
 
-GROUND_STIFFNESS_LOG_RANGE = [5.5, 7.0]
-GROUND_DAMPING_RATIO_RANGE = [0.2, 1.0]
-GROUND_FRICTION_RANGE = [0.8, 8.0]
+GROUND_STIFFNESS_LOG_RANGE = (5.5, 7.0)
+GROUND_DAMPING_RATIO_RANGE = (0.2, 1.0)
+GROUND_FRICTION_RANGE = (0.8, 8.0)
 
 F_XY_IMPULSE_SCALE = 1000.0
 F_XY_PROFILE_SCALE = 50.0

diff --git a/python/gym_jiminy/envs/gym_jiminy/envs/acrobot.py b/python/gym_jiminy/envs/gym_jiminy/envs/acrobot.py
@@ -21,7 +21,7 @@
 # Relative height of tip to consider an episode successful for normal env
 HEIGHT_REL_DEFAULT_THRESHOLD = 0.5
 # Range of rel. height of tip to consider an episode successful for goal env
-HEIGHT_REL_GOAL_THRESHOLD_RANGE = [-0.2, 0.98]
+HEIGHT_REL_GOAL_THRESHOLD_RANGE = (-0.2, 0.98)
 # Standard deviation of the noise added to the action
 ACTION_NOISE = 0.0