text: # coding=utf-8
  # Copyright 2018 The TF-Agents Authors.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  """Module importing all agents."""
  from tf_agents.agents import tf_agent
  # TODO(b/130564501): Do not import classes directly, only expose modules.
  from tf_agents.agents.behavioral_cloning.behavioral_cloning_agent import BehavioralCloningAgent
  from tf_agents.agents.categorical_dqn.categorical_dqn_agent import CategoricalDqnAgent
  from tf_agents.agents.ddpg.ddpg_agent import DdpgAgent
  from tf_agents.agents.dqn.dqn_agent import DqnAgent
  from tf_agents.agents.ppo.ppo_agent import PPOAgent
  from tf_agents.agents.reinforce.reinforce_agent import ReinforceAgent
  from tf_agents.agents.sac.sac_agent import SacAgent
  from tf_agents.agents.td3.td3_agent import Td3Agent
  