hunk.code_window: @cli.command()
   @click.argument("experiment_path", required=True, type=str)
   @click.option(
       '--sort', default=None, type=str, help='Select which column to sort on.')
   def list_trials(experiment_path, sort):
       """Lists trials in the directory subtree starting at the given path."""
  
hunk.labels: keep keep keep keep replace replace keep
hunk.after_edit:     "--sort", default=None, type=str, help="Select which column to sort on.")
   @click.option(
       "--output",
       "-o",
       default=None,
       type=str,
       help="Output information to a pickle file.")
   def list_trials(experiment_path, sort, output):
  
hunk.file_path: python/ray/tune/scripts.py
hunk.type: replace
file: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  from ray.rllib.agents.ddpg.apex import ApexDDPGAgent
  from ray.rllib.agents.ddpg.ddpg import DDPGAgent, DEFAULT_CONFIG
  
  __all__ = ["DDPGAgent", "ApexDDPGAgent", "DEFAULT_CONFIG"]
  