code: def arguments(self):
      return (
          {k: v for k, v in vars(self).items() if v is not None}
          if vars(self)
          else None
      )
  
imports: from typing import Any, Optional, Type, Union
  import pydantic
  from starlette import status
label_desc: Use image node_id 4 for calling the ServerError obj's underlying member method code with example usage: obj.arguments() and returns: unknown