updated pickle to serialized json (chatgpt recommendation)

auth.py

@@ -123,13 +123,12 @@ def logout():
 
 
 @auth_bp.route("/change_pwd", methods=["GET", "POST"])
+@login_required
 def change_pwd():
     if request.method == "POST":
         pwd_old = request.form["password_old"]
         pwd_new1 = request.form["password_new1"]
         pwd_new2 = request.form["password_new2"]
-        print(f" >>{pwd_old} {pwd_new1} {pwd_new2}")
-        print(f"cp: {current_user.name}")
         if current_user.check_password(pwd_old):
             if pwd_new1 == pwd_new2:
                 current_user.set_password(pwd_new2)

initialize_data.py

@@ -7,7 +7,6 @@ if __name__ == "__main__":
     app.app_context().push()
     query = sa.select(User)
     users = db.session.scalars(query).all()
-    print(users)
     if len(users) == 0:
         g = Group(secret="This is the group just for the admin")
         db.session.add(g)