code: def get_weights(self):
      return self._weights
  
file_path: ray/rllib/tests/mock_worker.py
imports: import numpy
  import ray
  from ray.rllib.evaluation.worker_set import WorkerSet
  from ray.rllib.policy.sample_batch import SampleBatch
  from ray.rllib.utils.filter import MeanStdFilter
label_desc: Use image node_id 5 for calling the _MockWorker obj's underlying member method code with example usage: obj.get_weights() and returns: self