code: def maybe_convert_usecols(usecols: usecols_func) -> usecols_func:
      ...
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Any, Callable, Hashable, Iterable, Literal, MutableMapping, Sequence, TypeVar, overload
  from pandas.compat._optional import import_optional_dependency
  from pandas.core.dtypes.common import is_integer, is_list_like
label_desc: Use image node_id 8 for calling a global function with example usage: maybe_convert_usecols(usecols) without return types