code: def signature_str(
      self, *, skip_outputs: bool = False, symint: bool = True
  ) -> str:
      return (
          PythonSignature.signature_str(
              self, skip_outputs=skip_outputs, symint=symint
          )
          + "|deprecated"
      )
  
imports: from dataclasses import dataclass
  from typing import Dict, List, Optional, Sequence, Set, Tuple, Union
  from torchgen.api import cpp
  from torchgen.api.types import Binding, CppSignature, CppSignatureGroup
  from torchgen.gen import pythonify_default
  from torchgen.model import Argument, BaseTy, BaseType, FunctionSchema, ListType, NativeFunction, OptionalType, Return, Type, Variant
label_desc: Use image node_id 2 for calling the PythonSignatureDeprecated obj's underlying member method code with example usage: obj.signature_str() and returns: unknown