class_docstr: Utility class for quick manipulation of a connector pipeline.
code: def set_state(self, state: Dict[str, Any]) -> None:
      for i, connector in enumerate(self.connectors):
          key = f"{i:03d}_{type(connector).__name__}"
          if key not in state:
              raise KeyError(
                  f"No state found in `state` for connector piece: {key}!"
              )
          connector.set_state(state[key])
  
imports: from collections import defaultdict
  import logging
  from typing import Any, Dict, List, Optional, Type, Union
  from ray.rllib.connectors.connector_v2 import ConnectorV2
  from ray.rllib.core.rl_module.rl_module import RLModule
  from ray.rllib.utils.annotations import override
  from ray.rllib.utils.typing import EpisodeType
  from ray.util.annotations import PublicAPI
  from ray.util.timer import _Timer
label_desc: Use image node_id 9 for calling the ConnectorPipelineV2 obj's underlying member method code with example usage: obj.set_state(state) without return types