code: def create_agent(self, env):
      raise NotImplementedError()
  
file_path: chainerrl/tests/agents_tests/basetest_agents.py
imports: import os
  import tempfile
  import unittest
  from chainer import testing
  from chainerrl.envs.abc import ABC
  from chainerrl.experiments.train_agent import train_agent
label_desc: Use image node_id 2 for calling the _TestAgentInterface obj's underlying member method code with example usage: obj.create_agent(env) without return types