code: def __init__(self):
      self.update_count = 0
  
file_path: maze/maze/test/train/common/evaluators/test_rollout_evaluator.py
imports: from maze.core.env.base_env_events import BaseEnvEvents
  from maze.core.log_stats.log_stats import increment_log_step, LogStatsLevel
  from maze.core.wrappers.time_limit_wrapper import TimeLimitWrapper
  from maze.test.shared_test_utils.helper_functions import flatten_concat_probabilistic_policy_for_env, build_dummy_maze_env
  from maze.train.parallelization.vector_env.sequential_vector_env import SequentialVectorEnv
  from maze.train.trainers.common.evaluators.rollout_evaluator import RolloutEvaluator
  from maze.train.trainers.common.model_selection.model_selection_base import ModelSelectionBase
label_desc: Use image node_id 1 to create a new _MockModelSelection object from inherited base classes: ModelSelectionBase with example: obj = _MockModelSelection()