save project

my_app.py

 import tkinter
 import tkinter
 with open("users.txt","r",encoding="utf-8") as file:
 with open("users.txt","r",encoding="utf-8") as file:
         a=file.read()
         a=file.read()
-        users=json.loads()
+        users=json.loads(a)
 def login_to_reg():    # 登录界面转注册界面
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
     app_login.root.destroy()
     global app_reg
     global app_reg