from orm_db import *
from sqlalchemy import select, desc

try:
    get_last_data_stmt = select(History).order_by(desc('id')).limit(1)
    last_data_result = db_session.execute(get_last_data_stmt).scalar()
    print(last_data_result)
except Exception as e:
    print(e)

last_blue = last_data_result.blue
print(last_blue)