text: #!/usr/bin/env python3
  
  # Copyright (c) Facebook, Inc. and its affiliates.
  # This source code is licensed under the MIT license found in the
  # LICENSE file in the root directory of this source tree.
  
  import quaternion
  from habitat_baselines.common.base_trainer import BaseRLTrainer, BaseTrainer
  from habitat_baselines.rl.ddppo import DDPPOTrainer
  from habitat_baselines.rl.ppo.ppo_trainer import PPOTrainer, RolloutStorage
  
  __all__ = ["BaseTrainer", "BaseRLTrainer", "PPOTrainer", "RolloutStorage"]
  