diff --git a/app/scodoc/notesdb.py b/app/scodoc/notesdb.py
index 4d9b6aa2a..b9be4ae12 100644
--- a/app/scodoc/notesdb.py
+++ b/app/scodoc/notesdb.py
@@ -1,19 +1,17 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
+import datetime
 import html
 import traceback
+
+from flask import g, current_app, abort
 import psycopg2
 import psycopg2.pool
 import psycopg2.extras
 
-from flask import g, current_app, abort
-
-import app
-import app.scodoc.sco_utils as scu
 from app import log
 from app.scodoc.sco_exceptions import ScoException, ScoValueError, NoteProcessError
-import datetime
 
 quote_html = html.escape
 
diff --git a/app/scodoc/sco_assiduites.py b/app/scodoc/sco_assiduites.py
index d350ff6d3..f51736634 100644
--- a/app/scodoc/sco_assiduites.py
+++ b/app/scodoc/sco_assiduites.py
@@ -428,7 +428,7 @@ def invalidate_assiduites_count(etudid, sem):
     """Invalidate (clear) cached counts"""
     date_debut = sem["date_debut_iso"]
     date_fin = sem["date_fin_iso"]
-    for met in [string.lower() for string in scu.AssiduitesMetricShort.all()]:
+    for met in scu.AssiduitesMetrics.TAG:
         key = str(etudid) + "_" + date_debut + "_" + date_fin + f"{met}_assiduites"
         sco_cache.AbsSemEtudCache.delete(key)