code: def _func():  # <- obj_line
      """<- obj_line + offset
  
      Docstring            <- obj_line + offset + extra_offset
  
      .. testcode:: <- obj_line + offset + extra_offset + lineno_in_docstring
          ...
      """
      pass
  
file_path: mlflow/docs/source/testcode_block.py
imports: import textwrap
  import importlib
  import inspect
  import functools
  import re
  from pathlib import Path
  from sphinx.directives.code import CodeBlock
label_desc: Use image node_id 3 for calling a global function with example usage: _func() without return types