code: def rename_test(testcase_func, param_num, param):
      return "%s_%s" % (
          testcase_func.__name__,
          parameterized.to_safe_name(str(param.args)),
      )
  
file_path: fairscale/tests/utils/test_reduce_scatter_bucketer.py
imports: import functools
  import itertools
  import sys
  import unittest
  from unittest import mock
  from parameterized import parameterized
  import torch
  from fairscale.fair_dev.testing.testing import dist_init, spawn_for_all_world_sizes
  from fairscale.internal import torch_version
  from fairscale.internal.reduce_scatter_bucketer import ReduceScatterBucketer
label_desc: Use image node_id 1 for calling a global function with example usage: rename_test(testcase_func, param_num, param) and returns: unknown