code: def pytest_collection_finish(session):
      if _pairwise_parameterize == "always":
          product_dict = parameterized._product_dict_orig
          testing.product_dict = product_dict
          parameterized.product_dict = product_dict
  
file_path: chainer/tests/conftest.py
imports: import os
  import subprocess
  import sys
  from chainer import testing
  from chainer.testing import parameterized
label_desc: Use image node_id 5 for calling a global function with example usage: pytest_collection_finish(session) without return types