No need to ignore authlib deprecated warning.

update.py

@@ -5,18 +5,9 @@ import asyncio
 import os
 import sys
 import typing
-import warnings
-from datetime import date, datetime
+from datetime import date, datetime, timedelta
 from time import time
 
-# authlib 1.7 registers simplefilter("always") for AuthlibDeprecationWarning at
-# import time, then _joserfc_helpers.py triggers a deprecation by importing the
-# old authlib.jose module.  Importing authlib.deprecate first lets us insert our
-# "ignore" filter at position 0 so it wins the ordering race.
-import authlib.deprecate  # noqa: E402 — must precede the filter below
-
-warnings.filterwarnings("ignore", message="authlib.jose module is deprecated")
-
 import deepdiff
 import flask
 import requests
@@ -38,9 +29,6 @@ from agenda.types import StrDict
 from web_view import app
 
 
-from datetime import date, timedelta
-
-
 async def update_bank_holidays(config: flask.config.Config) -> None:
     """Update cached copy of UK Bank holidays."""
     t0 = time()