code: def __init__(self, message: str = "Not found", **kwargs):
      super().__init__(
          404,
          {
              "message": message,
              **kwargs,
          },
      )
  
file_path: dstack/gateway/src/dstack/gateway/errors.py
imports: from fastapi import HTTPException
label_desc: Use image node_id 1 to create a new NotFoundError object from inherited base classes: HTTPException with example: obj = NotFoundError(message)