Fix deprecation warnings

cps/admin.py

@@ -33,7 +33,7 @@ from functools import wraps
 from urllib.parse import urlparse
 
 from flask import Blueprint, flash, redirect, url_for, abort, request, make_response, send_from_directory, g, Response
-from flask import Markup
+from markupsafe import Markup
 from flask_login import login_required, current_user, logout_user
 from flask_babel import gettext as _
 from flask_babel import get_locale, format_time, format_datetime, format_timedelta