new_contents: from osim.env import GaitEnv
  from guppy import hpy; h=hpy()
  
  env = GaitEnv(visualize=False)
  observation = env.reset()
  
  s = 0
  while s<50000:   
      print(h.heap().size)
      o = env.reset()   
      d = False   
      while not d:   
          o, r, d, i = env.step(env.action_space.sample())   
          s += 1
  
subject: Test memory