hunk.code_window:             (SampleBatch.NEXT_OBS, self.obs_tp1),
               (SampleBatch.DONES, self.done_mask),
               (PRIO_WEIGHTS, self.importance_weights),
           ]
           TFPolicyGraph.__init__(
               self,
               observation_space,
               action_space,
  
hunk.labels: keep keep keep add keep keep keep keep
hunk.after_edit:         LearningRateSchedule.__init__(self, self.config["lr"],
                                         self.config["lr_schedule"])
  
hunk.file_path: python/ray/rllib/agents/dqn/dqn_policy_graph.py
hunk.type: add
file: # Ray Documentation
  
  To compile the documentation, run the following commands from this directory.
  Note that Ray must be installed first.
  
  ```
  pip install -r requirements-doc.txt
  make html
  open _build/html/index.html
  ```
  
  To test if there are any build errors with the documentation, do the following.
  
  ```
  sphinx-build -W -b html -d _build/doctrees source _build/html
  ```
  