code: def get_queue_data(self, data):
      if data is None:
          return None
      data = data[0]
      if isinstance(data, str):
          return data
      if isinstance(data, bytes):
          return data.decode("utf-8")
      raise ValueError("unexpected type of queue data")
  
imports: import unittest
  import uuid
  import os
  import time
  import yaml
  from studio.pubsub_queue import PubsubQueue
  from studio.queues.sqs_queue import SQSQueue
  from studio.queues.local_queue import LocalQueue
  from studio.extra_util import has_aws_credentials
  from studio import model
  from studio.util import logs
label_desc: Use image node_id 2 for calling the QueueTest obj's underlying member method code with example usage: obj.get_queue_data(data) and returns: None, data, data