Update load_user function

app.py

@@ -1,11 +1,11 @@
 from datetime import date
 import os
 from flask import Flask, abort, render_template, redirect, request, url_for
-from flask_login import LoginManager, current_user
+from flask_login import LoginManager
 import jinja_partials
 from jinja2_fragments import render_block
 from decorators import validate_person, validate_topset, validate_workout
-from routes.auth import auth, Person
+from routes.auth import auth, get_person_by_id
 from extensions import db
 from utils import convert_str_to_date, generate_plot
 from flask_htmx import HTMX
@@ -29,10 +29,7 @@ login_manager.login_message_category = 'info'
 
 @login_manager.user_loader
 def load_user(person_id):
-    row = db.execute("""SELECT person_id, name, email, password_hash from Person WHERE person_id=%s""", [person_id], one=True) 
-    if row:
-        return Person(row['person_id'], row['name'], row['email'], row['password_hash'])
-    return None
+    return get_person_by_id(person_id)
 
 app.register_blueprint(auth, url_prefix='/auth')