code: def __iter__(self) -> Iterator[SectionWrapper]:
      for name in sorted(self.sections, key=self.lineof):  # type: ignore
          yield SectionWrapper(self, name)
  
imports: from __future__ import annotations
  from typing import Callable, Iterator, Mapping, Optional, Tuple, TypeVar, Union, TYPE_CHECKING, NoReturn, NamedTuple, overload, cast
  import os
  from .exceptions import ParseError
  from .None import _parse
  from ._parse import COMMENTCHARS, iscommentline
label_desc: Use image node_id 10 for calling the IniConfig obj's underlying member method code with example usage: obj.__iter__() without return types