code: def get_target_success_rate(self) -> float:
      return self.target_success_rate
  
imports: import random
  from enum import Enum
  from typing import Union
  import numpy
  from rl_coach.base_parameters import VisualizationParameters
  from rl_coach.environments.environment import Environment, EnvironmentParameters, LevelSelection
  from rl_coach.filters.filter import NoInputFilter, NoOutputFilter
  from rl_coach.spaces import BoxActionSpace, ImageObservationSpace, VectorObservationSpace, StateSpace
label_desc: Use image node_id 7 for calling the ControlSuiteEnvironment obj's underlying member method code with example usage: obj.get_target_success_rate() and returns: self