docstr: Creates dequeue-ops on caffe2 side
code: def _create_caffe2_ops(self, net):
      """
      Creates dequeue-ops on caffe2 side
      """
      for q, blob_name in zip(self._queues, self._input_blob_names):
          # Add operator to the Caffe2 network to dequeue
          net.DequeueBlobs(
              q, blob_name, timeout_secs=float(self._timeout)
          )
  
imports: import queue
  from itertools import chain
  import logging
  import threading
  import numpy
  import time
  from caffe2.python import workspace, core, scope, utils
  from caffe2.proto import caffe2_pb2
  from caffe2.python.parallel_workers import Metrics, State, WorkerCoordinator, GlobalWorkerCoordinator, Worker, run_worker
label_desc: Use image node_id 13 for calling the BatchFeeder obj's underlying member method code with example usage: obj._create_caffe2_ops(net) without return types