old_contents: from pybrain.rl.environments.mazes.tiger import TigerTask
  from pybrain.rl.environments.mazes.maze import TrivialMaze, MazeTask
  from pybrain.rl.environments.mazes.cheesemaze import CheeseMaze
  from pybrain.rl.environments.mazes.tmaze import TMaze
  from pybrain.rl.environments.mazes.maze4x3 import FourByThreeMaze
  from pybrain.rl.environments.mazes.maze89state import EightyNineStateMaze
  from pybrain.rl.environments.mazes.shuttle import ShuttleDocking
  from pybrain.rl.environments.mazes.mdp import MDPMazeTask
  
new_contents: from pybrain.rl.environments.mazes.tasks.tiger import TigerTask
  from pybrain.rl.environments.mazes.tasks.maze import TrivialMaze, MazeTask
  from pybrain.rl.environments.mazes.tasks.cheesemaze import CheeseMaze
  from pybrain.rl.environments.mazes.tasks.tmaze import TMaze
  from pybrain.rl.environments.mazes.tasks.maze4x3 import FourByThreeMaze
  from pybrain.rl.environments.mazes.tasks.maze89state import EightyNineStateMaze
  from pybrain.rl.environments.mazes.tasks.shuttle import ShuttleDocking
  from pybrain.rl.environments.mazes.tasks.mdp import MDPMazeTask
  
subject: fix imports to tasks