code: def get(self) -> CPMBeeBatch:
      ret: CPMBeeBatch = self._q_data.get()  # type: ignore
      if not isinstance(ret, dict):
          raise RuntimeError("Invalid data {}".format(ret))
      return ret
  
imports: from collections import OrderedDict
  import multiprocessing
  import os
  from queue import Empty
  from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Union
  from typing_extensions import TypedDict
  from ...dataset import DistributedDataset
  from ...tokenizers import CPMBeeTokenizer
  from ...utils.config import load_dataset_config
  import numpy
  import time
  from numpy.typing import NDArray
  import torch
  import bmtrain
  import importlib.machinery
  import importlib.util
  import types
  import random
label_desc: Use image node_id 7 for calling the MixedDataset obj's underlying member method code with example usage: obj.get() and returns: ret