code: def test_deepcopy(self):
      test_env = base.EnvironmentWrapper(
          environment=fakes.DiscreteEnvironment()
      )
      copied_env = copy.deepcopy(test_env)
      del copied_env
  
file_path: acme/acme/wrappers/base_test.py
imports: import copy
  import pickle
  from acme.testing import fakes
  from acme.wrappers import base
  from absl.testing import absltest
label_desc: Use image node_id 2 for calling the BaseTest obj's underlying member method code with example usage: obj.test_deepcopy() without return types