code: def make_ddpg_agent(
      self,
      env,
      policy,
      q_func,
      actor_opt,
      critic_opt,
      explorer,
      rbuf,
      gpu,
  ):
      raise NotImplementedError()
  
imports: import numpy
  import torch
  from basetest_training import _TestTraining
  from torch import nn
  from pfrl import replay_buffers
  from pfrl.envs.abc import ABC
  from pfrl.explorers.epsilon_greedy import LinearDecayEpsilonGreedy
  from pfrl.nn import BoundByTanh, ConcatObsAndAction, RecurrentSequential
  from pfrl.policies import DeterministicHead
label_desc: Use image node_id 2 for calling the _TestDDPGOnABC obj's underlying member method code with example usage: obj.make_ddpg_agent(env, policy, q_func, actor_opt, critic_opt, explorer, rbuf, gpu) without return types