code: def reset(self, **kwargs):
      obs = self.env.reset(**kwargs)
      self.step_fea = MAXTIME_LIMIT
      obs = self.get_observation(obs)
      return obs
  
imports: import abc
  import gym
  import math
  import numpy
  import random
  from collections import OrderedDict
  from osim.env import ProstheticsEnv
  from parl.utils import logger
  from tqdm import tqdm
label_desc: Use image node_id 6 for calling the ObsTranformerBase obj's underlying member method code with example usage: obj.reset() and returns: obs