text: from gym import utils
  from gym.envs.robotics import fetch_env
  
  class FetchReachEnv(fetch_env.FetchEnv, utils.EzPickle):
      def __init__(self, reward_type='sparse'):
          initial_qpos = {
              'robot0:slide0': 0.4049,
              'robot0:slide1': 0.48,
              'robot0:slide2': 0.0,
          }
          fetch_env.FetchEnv.__init__(
              self, 'fetch/reach.xml', has_object=False, block_gripper=True, n_substeps=20,
              gripper_extra_height=0.2, target_in_the_air=True, target_offset=0.0,
              obj_range=0.15, target_range=0.15, distance_threshold=0.05,
              initial_qpos=initial_qpos, reward_type=reward_type)
          utils.EzPickle.__init__(self)
  
          print("1")
  