code: def pytest_report_header(config):
      del config  # Unused.
      assert (
          pybind11_tests.compiler_info is not None
      ), "Please update pybind11_tests.cpp if this assert fails."
      return (
          "C++ Info:"
          f" {pybind11_tests.compiler_info}"
          f" {pybind11_tests.cpp_std}"
          f" {pybind11_tests.PYBIND11_INTERNALS_ID}"
          f" PYBIND11_SIMPLE_GIL_MANAGEMENT={pybind11_tests.PYBIND11_SIMPLE_GIL_MANAGEMENT}"
      )
  
imports: import contextlib
  import difflib
  import gc
  import multiprocessing
  import os
  import re
  import textwrap
  import traceback
  import pytest
label_desc: Use image node_id 15 for calling a global function with example usage: pytest_report_header(config) and returns: str, pybind11_tests, str, pybind11_tests, str, pybind11_tests, str, pybind11_tests