code: def _is_checked_function(item):
      if not inspect.isfunction(item):
          return False
  
      if item.__name__.startswith("_"):
          return False
  
      mod = item.__module__
      if not mod.startswith("imblearn.") or mod.endswith(
          "estimator_checks"
      ):
          return False
  
      return True
  
file_path: imbalanced-learn/maint_tools/test_docstring.py
imports: import importlib
  import inspect
  import pkgutil
  import re
  from inspect import signature
  from typing import Optional
  import pytest
  import imblearn
  from imblearn.utils.testing import all_estimators
label_desc: Use image node_id 2 for calling a global function with example usage: _is_checked_function(item) and returns: True, False, False, False