code: def tearDown(self):
      gin.clear_config()
      super(CategoricalQNetworkTest, self).tearDown()
  
file_path: agents/tf_agents/networks/categorical_q_network_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import gin
  import tensorflow
  from tf_agents.networks import categorical_q_network
  from tf_agents.specs import tensor_spec
  from tf_agents.trajectories import time_step
  from tf_agents.utils import test_utils
label_desc: Use image node_id 1 for calling the CategoricalQNetworkTest obj's underlying member method code with example usage: obj.tearDown() without return types