code: def __init__(self, message: str = "") -> None:
      if not message:
          message = "Oblivious public key not found. Kindly request admin to create a new one"
      super().__init__(message)
  
label_desc: Use image node_id 1 to create a new OblvKeyNotFoundError object from inherited base classes: Exception with example: obj = OblvKeyNotFoundError(message)