code: def str_erase_pointers(x):
      """
      Print a string representation of ``x`` but remove pointers from function
      names, since the pointers have different values on different pytest xdist
      workers and break test collection. This is useful as the ``ids`` arg to
      ``@pytest.mark.parametrize``.
      """
      return re.sub(" at 0x[a-f0-9]+", "", str(x))
  
imports: import contextlib
  import numbers
  import os
  import re
  import warnings
  from itertools import product
  import numpy
  import pytest
  import torch
  import torch.cuda
  from numpy.testing import assert_allclose
  from pytest import approx
label_desc: Use image node_id 2 for calling a global function with example usage: str_erase_pointers(x) and returns: re