code: def forward(self, observation):
      action = observation
      self.recent_action = action
      self.recent_observation = observation
      return action
  
imports: from __future__ import division
  import pytest
  import numpy
  from numpy.testing import assert_allclose
  from rl.memory import SequentialMemory
  from rl.core import Agent, Env, Processor
label_desc: Use image node_id 2 for calling the TestAgent obj's underlying member method code with example usage: obj.forward(observation) and returns: action