code: def set_state(self, state):
      return self.set_flat_weights(state["state"])
  
imports: from typing import Optional
  import gymnasium
  import numpy
  import tree
  import ray
  import ray.experimental.tf_utils
  from ray.rllib.models import ModelCatalog
  from ray.rllib.policy.policy import Policy
  from ray.rllib.policy.sample_batch import SampleBatch
  from ray.rllib.utils import deprecation_warning
  from ray.rllib.utils.annotations import override
  from ray.rllib.utils.filter import get_filter
  from ray.rllib.utils.framework import try_import_tf
  from ray.rllib.utils.spaces.space_utils import get_base_struct_from_space, unbatch
label_desc: Use image node_id 6 for calling the ESTFPolicy obj's underlying member method code with example usage: obj.set_state(state) and returns: self