code: def sync_pull(self):
      idx = self._pull_queue[0][0]
      cuda.synchronize()
      self._pull_stream(idx).synchronize()
      return self._gpu_buffer(idx)
  
imports: import numpy
  import paddle
  from paddle.framework import core
  from paddle.device import cuda
  from pgl.utils.logger import log
label_desc: Use image node_id 10 for calling the StreamPool obj's underlying member method code with example usage: obj.sync_pull() and returns: self