diff --git a/app/but/jury_but.py b/app/but/jury_but.py
index cae9e46a9..7521d2826 100644
--- a/app/but/jury_but.py
+++ b/app/but/jury_but.py
@@ -984,6 +984,10 @@ class DecisionsProposeesUE(DecisionsProposees):
         "Le rcue auquel est rattaché cette UE, ou None"
         self.inscription_etat = inscription_etat
         "inscription: I, DEM, DEF dans le semestre de cette UE"
+        self.moy_ue = np.NaN
+        self.moy_ue_with_cap = np.NaN
+        self.ue_status = {}
+
         if ue.type == sco_codes.UE_SPORT:
             self.explanation = "UE bonus, pas de décision de jury"
             self.codes = []  # aucun code proposé
@@ -994,8 +998,6 @@ class DecisionsProposeesUE(DecisionsProposees):
             self.codes = [
                 sco_codes.DEM if inscription_etat == scu.DEMISSION else sco_codes.DEF
             ]
-            self.moy_ue = self.moy_ue_with_cap = np.NaN
-            self.ue_status = {}
             return
 
         # Moyenne de l'UE ?
diff --git a/app/scodoc/htmlutils.py b/app/scodoc/htmlutils.py
index 65101f1f4..725a4f4e1 100644
--- a/app/scodoc/htmlutils.py
+++ b/app/scodoc/htmlutils.py
@@ -83,7 +83,7 @@ def histogram_notes(notes):
     return "\n".join(D)
 
 
-def make_menu(title, items, css_class="", alone=False):
+def make_menu(title, items, css_class="", alone=False) -> str:
     """HTML snippet to render a simple drop down menu.
     items is a list of dicts:
     { 'title' :
diff --git a/app/scodoc/sco_moduleimpl_status.py b/app/scodoc/sco_moduleimpl_status.py
index b40f0c7d8..9f2b0cdf1 100644
--- a/app/scodoc/sco_moduleimpl_status.py
+++ b/app/scodoc/sco_moduleimpl_status.py
@@ -64,7 +64,7 @@ from app.scodoc import sco_users
 # ported from old DTML code in oct 2009
 
 # menu evaluation dans moduleimpl
-def moduleimpl_evaluation_menu(evaluation_id, nbnotes=0):
+def moduleimpl_evaluation_menu(evaluation_id, nbnotes=0) -> str:
     "Menu avec actions sur une evaluation"
     E = sco_evaluation_db.do_evaluation_list({"evaluation_id": evaluation_id})[0]
     modimpl = sco_moduleimpl.moduleimpl_list(moduleimpl_id=E["moduleimpl_id"])[0]
@@ -817,9 +817,9 @@ def _evaluation_poids_html(evaluation: Evaluation, max_poids: float = 0.0) -> st
     """graphe html (Hinton map) montrant les poids x coef de l'évaluation"""
     ue_poids = evaluation.get_ue_poids_dict(sort=True)  # { ue_id : poids }
     if not ue_poids:
-        return
+        return ""
     if max_poids < scu.NOTES_PRECISION:
-        return
+        return ""
     H = (
         """<div class="evaluation_poids">"""
         + "\n".join(