code: def setup_method(self, method):
      self.tempdir = tempfile.TemporaryDirectory()
  
file_path: pfrl/tests/replay_buffers_test/test_persistent_replay_buffer.py
imports: import os
  import tempfile
  import pytest
  from pfrl.replay_buffers import PersistentEpisodicReplayBuffer
label_desc: Use image node_id 1 for calling the TestEpisodicReplayBuffer obj's underlying member method code with example usage: obj.setup_method(method) without return types