code: def get_initial_state(self) -> dict:
      if hasattr(self.encoder, "get_initial_state"):
          return self.encoder.get_initial_state()
      else:
          return {}
  
imports: import abc
  from typing import Type
  from ray.rllib.core.models.specs.specs_dict import SpecDict
  from ray.rllib.core.rl_module.rl_module import RLModule
  from ray.rllib.models.distributions import Distribution
  from ray.rllib.policy.sample_batch import SampleBatch
  from ray.rllib.utils.annotations import ExperimentalAPI
  from ray.rllib.utils.annotations import override
label_desc: Use image node_id 5 for calling the PPORLModule obj's underlying member method code with example usage: obj.get_initial_state() and returns: self, dict