bump python version, ruff check

src/transformers/transformers.py

@@ -2,7 +2,6 @@ from __future__ import annotations
 
 import json
 import re
-import sys
 from dataclasses import dataclass
 from dataclasses import field as dataclass_field
 from typing import Any, List
@@ -12,6 +11,7 @@ from src.core.models import BookData
 
 # use centralized logging from src.shared.logging
 
+
 ###Pydatnic models
 @dataclass
 class Item: