code: def _read32(bytestream):
      try:
          dt = numpy.dtype(numpy.uint32).newbyteorder(">")
          return numpy.frombuffer(bytestream.read(4), dtype=dt)[0]
      except Exception:
          dt = numpy.dtype(numpy.uint32).newbyteorder(">")
          return numpy.frombuffer(bytestream.read(4), dtype=dt)
  
file_path: tflearn/tflearn/datasets/mnist.py
imports: from __future__ import print_function
  import gzip
  import os
  from six.moves import urllib
  import numpy
label_desc: Use image node_id 3 for calling a global function with example usage: _read32(bytestream) and returns: numpy, numpy