class_docstr: Adder which adds entire episodes as trajectories.
class_docstr_tok: ["Adder","which","adds","entire","episodes","as","trajectories","."]
code: def _write(self):
      # This adder only writes at the end of the episode, see _write_last()
      pass
  
file_path: acme/acme/adders/reverb/episode.py
imports: from typing import Callable, Optional, Iterable, Tuple
  from acme import specs
  from acme import types
  from acme.adders.reverb import base
  from acme.adders.reverb import utils
  import dm_env
  import numpy
  import reverb
  import tensorflow
  import tree
label_desc: Use image node_id 3 for calling the EpisodeAdder obj's underlying member method code with example usage: obj._write() without return types