code: def make_q_func(self, env):
      return make_distrib_recurrent_q_func(env)
  
file_path: pfrl/tests/agents_tests/test_double_categorical_dqn.py
imports: import basetest_dqn_like
  import torch.nn
  from basetest_training import _TestBatchTrainingMixin
  import pfrl
  from pfrl.agents import CategoricalDoubleDQN
label_desc: Use image node_id 1 for calling the TestCategoricalDoubleDQNOnDiscretePOABC obj's underlying member method code with example usage: obj.make_q_func(env) and returns: make_distrib_recurrent_q_func