code: def _check_bbox_shape(bbox):
      assert (
          len(bbox.shape) == 2
      ), "bbox requires shape of (N, 4+), given: {}".format(bbox.shape)
      assert (
          bbox.shape[1] >= 4
      ), "bbox requires shape of (N, 4+), given: {}".format(bbox.shape)
  
file_path: mxnet/python/mxnet/gluon/contrib/data/vision/transforms/bbox/utils.py
imports: from __future__ import division
  import random
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: _check_bbox_shape(bbox) without return types