code: def configure_trainer_package(job_spec, t2t_tar):
      assert t2t_tar.startswith("gs://")
      job_spec["trainingInput"]["packageUris"] = [t2t_tar]
  
imports: import datetime
  import os
  import pprint
  import shutil
  import subprocess
  import sys
  import tempfile
  from googleapiclient import discovery
  from oauth2client.client import GoogleCredentials
  from tensor2tensor.data_generators import text_encoder
  from tensor2tensor.layers import common_hparams
  from tensor2tensor.utils import registry
  from tensor2tensor.utils import usr_dir
  import tensorflow.compat.v1
label_desc: Use image node_id 18 for calling a global function with example usage: configure_trainer_package(job_spec, t2t_tar) without return types