第三版_完整

dao/statistics_dao.py

@@ -2,15 +2,12 @@
 # 本文件封装对 所有相关表的 所有数据库操作（统计查询）
 from collections import defaultdict
 
-from dns.entropy import between
 from sqlalchemy.orm import Session, joinedload
 from sqlalchemy import func, case, and_, join, asc, desc
 
 from model import StudentEmployManage
 from model.stu_model import StuInfo
 from model.stu_score_model import StuScore
-from model.users import User
-from scheme.users import UserCreate, UserUpdate
 from typing import Optional, List, Dict
 from scheme.statistics_scheme import StatsResponse, ExamScoreItem, StuInfoAllExamAboveScore, FailingStudentItem, \
     ClassExamAvgScoreItem, TopSalaryStudentItem, StudentEmpDurationItem, ClassAvgEmpDurationItem, StudentAgeDetailItem