code: def _worker(dataloader, collector):
      # for i in range(3):
      for i, data in enumerate(dataloader):
          collector.put(len(data))
  
file_path: qlib/tests/rl/test_data_queue.py
imports: import multiprocessing
  import time
  import numpy
  import pandas
  from torch.utils.data import Dataset, DataLoader
  from qlib.rl.utils.data_queue import DataQueue
label_desc: Use image node_id 1 for calling a global function with example usage: _worker(dataloader, collector) without return types