hunk.code_window:     def postprocess_trajectory(self,
                                  sample_batch,
                                  other_agent_batches=None,
                                  episode=None):
           # This ads the "advantages" column to the sample batch
           return compute_advantages(
               sample_batch, 0.0, self.config["gamma"], use_gae=False)
  
hunk.labels: keep keep keep keep replace keep keep keep
hunk.after_edit:         # This adds the "advantages" column to the sample batch
  
hunk.file_path: python/ray/rllib/agents/pg/pg_policy_graph.py
hunk.type: replace