code: def seed(self, seed=None):
      pass
  
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 4 for calling the TestEnv obj's underlying member method code with example usage: obj.seed(seed) without return types