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removed timestep_limit due to gym version upgrade (#325)

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* removed timestep_limit due to gym version update

* removed _past_limit wrapper
This commit is contained in:
anabwan
2019-05-26 13:58:16 +03:00
committed by GitHub
parent 30c2b2fc45
commit b567091d2e
1 changed files with 1 additions and 8 deletions
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9
rl_coach/environments/gym_environment.py
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@@ -303,7 +303,6 @@ class GymEnvironment(Environment):
self.is_mujoco_env = 'mujoco' in str(self.env.unwrapped.__class__)
self.is_roboschool_env = 'roboschool' in str(self.env.unwrapped.__class__)
self.is_atari_env = 'Atari' in str(self.env.unwrapped.__class__)
self.timelimit_env_wrapper = self.env
if self.is_atari_env:
self.env.unwrapped.frameskip = 1 # this accesses the atari env that is wrapped with a timelimit wrapper env
if self.env_id == "SpaceInvadersDeterministic-v4" and self.frame_skip == 4:
@@ -405,12 +404,6 @@ class GymEnvironment(Environment):
if not self.native_rendering:
self.renderer.create_screen(image.shape[1]*scale, image.shape[0]*scale)
# measurements
if self.env.spec is not None:
self.timestep_limit = self.env.spec.timestep_limit
else:
self.timestep_limit = None
# the info is only updated after the first step
self.state = self.step(self.action_space.default_action).next_state
self.state_space['measurements'] = VectorObservationSpace(shape=len(self.info.keys()))
@@ -470,7 +463,7 @@ class GymEnvironment(Environment):
def _restart_environment_episode(self, force_environment_reset=False):
# prevent reset of environment if there are ale lives left
if (self.is_atari_env and self.env.unwrapped.ale.lives() > 0) \
and not force_environment_reset and not self.timelimit_env_wrapper._past_limit():
and not force_environment_reset:
self.step(self.action_space.default_action)
else:
self.state = self.env.reset()