Fix formating issues

examples/pybullet/gym/pybullet_envs/deep_mimic/humanoid_deepmimic_gym_env.py

@@ -250,12 +250,12 @@ class HumanoidDeepMimicGymEnv(gym.Env):
   def configure(self, args):
     pass
 
-  if parse_version(gym.__version__)>=parse_version('0.9.6'):
-                close = _close
-                render = _render
-                reset = _reset
-                seed = _seed
-                step = _step
+  if parse_version(gym.__version__) < parse_version('0.9.6'):
+    _render = render
+    _reset = reset
+    _seed = seed
+    _step = step
+    _close = close
 
 
   @property

examples/pybullet/gym/pybullet_envs/env_bases.py

@@ -69,7 +69,7 @@ class MJCFBaseBulletEnv(gym.Env):
 		self.potential = self.robot.calc_potential()
 		return s
 
-	def render(self, mode, close=False):
+	def render(self, mode='human'):
 		if mode == "human":
 			self.isRender = True
 		if mode != "rgb_array":

examples/pybullet/gym/pybullet_envs/prediction/pybullet_sim_gym_env.py

@@ -196,8 +196,6 @@ class PyBulletSimGymEnv(gym.Env):
     rgb_array = rgb_array[:, :, :3]
     return rgb_array
 
-  
-
   def _termination(self):
     terminate=self._example_sim.Termination()
     return terminate
@@ -206,14 +204,12 @@ class PyBulletSimGymEnv(gym.Env):
     reward = 0
     return reward
 
-  
   def _get_observation(self):
     self._observation = self._example_sim.GetObservation()
     return self._observation
 
-  
-  if parse_version(gym.__version__)>=parse_version('0.9.6'):
-    render = _render
-    reset = _reset
-    seed = _seed
-    step = _step
+  if parse_version(gym.__version__) < parse_version('0.9.6'):
+    _render = render
+	_reset = reset
+	_seed = seed
+	_step = step