code: def _register_doctest_options():
      # Options are regstered in `guild._test`
      from guild import _test as _
  
file_path: guildai/tools.py
imports: import argparse
  import doctest
  import glob
  import os
  import subprocess
  import sys
  import tempfile
label_desc: Use image node_id 7 for calling a global function with example usage: _register_doctest_options() without return types