class_docstr: Basically a list of TimeSteps with convenience methods.
class_docstr_tok: ["Basically","a","list","of","TimeSteps","with","convenience","methods","."]
code: def actions_np(self):
      # The last action is None, so let's skip it.
      return np.stack([ts.action for ts in self.time_steps[:-1]])
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import pickle
  import re
  import sys
  import time
  from absl import logging
  import cloudpickle
  import numpy
  from tensor2tensor.envs import time_step
  import tensorflow.compat.v1
label_desc: Use image node_id 14 for calling the Trajectory obj's underlying member method code with example usage: obj.actions_np() and returns: np