code: def _generate_replay_buffer(self, rb_cls):
      self._create_replay_buffer(rb_cls)
      self._fill_replay_buffer()
  
imports: from __future__ import division
  from __future__ import unicode_literals
  import os
  from absl.testing import parameterized
  import numpy
  import tensorflow
  from tf_agents.replay_buffers import py_hashed_replay_buffer
  from tf_agents.replay_buffers import py_uniform_replay_buffer
  from tf_agents.specs import array_spec
  from tf_agents.trajectories import policy_step
  from tf_agents.trajectories import time_step
  from tf_agents.trajectories import trajectory
  from tf_agents.utils import nest_utils
label_desc: Use image node_id 3 for calling the PyUniformReplayBufferTest obj's underlying member method code with example usage: obj._generate_replay_buffer(rb_cls) without return types