text: import rlkit.torch.pytorch_util as ptu
  
  class RL_algorithm(object):
  
      def __init__(self, config, env, replay, networks):
          self._config = config
          self.file_str = config['data_folder_experiment']
  
          self._env = env
          self._networks = networks
          self._replay = replay
  
          if 'use_only_global_networks' in config.keys():
              self._use_only_global_networks = config['use_only_global_networks']
          else:
              self._use_only_global_networks = False
  
      def episode_init(self):
          pass
  