Traceback (most recent call last):
  File "/home/baochen/Desktop/projects/GPT-CLIPort/gensim/sim_runner.py", line 266, in simulate_task
    obs = env.reset()
  File "/home/baochen/Desktop/projects/GPT-CLIPort/cliport/environments/environment.py", line 281, in reset
    self.task.reset(self)
  File "<string>", line 31, in reset
AttributeError: 'InsertAndStack' object has no attribute 'color_random_bright'