code: def test_dlpack(dtype, size):
      a = mx.np.random.uniform(size=size)
      a_np = a.copy()
      a += 1
  
      pack = mx.npx.to_dlpack_for_read(a)
      b = mx.npx.from_dlpack(pack)
  
      a_copy = a.copy()
      pack2 = mx.npx.to_dlpack_for_write(a_copy)
      c = mx.npx.from_dlpack(pack2)
      c += 1
  
      del a, pack, pack2
  
      same(a_np + 1, b)
      same(a_np + 2, c)
      same(a_np + 2, a_copy)
  
imports: from __future__ import absolute_import
  from __future__ import division
  import itertools
  import os
  import pytest
  import operator
  import numpy
  import mxnet
  from mxnet import np, npx, autograd
  from mxnet.gluon import HybridBlock
  from mxnet.test_utils import same, assert_almost_equal, rand_shape_nd, rand_ndarray, use_np
  from common import retry, TemporaryDirectory, xfail_when_nonstandard_decimal_separator
  from mxnet.test_utils import verify_generator, gen_buckets_probs_with_ppf, assert_exception, is_op_runnable, collapse_sum_like
  from mxnet.ndarray.ndarray import py_slice
  from mxnet.base import integer_types
label_desc: Use image node_id 26 for calling a global function with example usage: test_dlpack(dtype, size) without return types