class_docstr: Writes a single pyi file
class_docstr_tok: ["Writes","a","single","pyi","file"]
code: def _indent(self) -> Generator[None, None, None]:
      self.indent = self.indent + "    "
      yield
      self.indent = self.indent[:-4]
  
file_path: onnx/tools/protoc-gen-mypy.py
imports: import sys
  from collections import defaultdict
  from contextlib import contextmanager
  from typing import Any, Callable, Dict, Generator, List, Optional, Set, cast
label_desc: Use image node_id 4 for calling the PkgWriter obj's underlying member method code with example usage: obj._indent() without return types