diff --git a/app/comp/res_common.py b/app/comp/res_common.py
index 1cfa17f4..a9459caf 100644
--- a/app/comp/res_common.py
+++ b/app/comp/res_common.py
@@ -299,7 +299,7 @@ class ResultatsSemestre(ResultatsCache):
 
     def get_etud_etat(self, etudid: int) -> str:
         "Etat de l'etudiant: 'I', 'D', DEF ou '' (si pas connu dans ce semestre)"
-        ins = self.formsemestre.etuds_inscriptions.get(etudid, None)
+        ins = self.formsemestre.etuds_inscriptions.get(etudid)
         if ins is None:
             return ""
         return ins.etat
diff --git a/app/scodoc/sco_edit_ue.py b/app/scodoc/sco_edit_ue.py
index 8fe5fd02..a5710c82 100644
--- a/app/scodoc/sco_edit_ue.py
+++ b/app/scodoc/sco_edit_ue.py
@@ -118,7 +118,11 @@ def do_ue_create(args):
             f"""Acronyme d'UE "{args['acronyme']}" déjà utilisé ! 
                 (chaque UE doit avoir un acronyme unique dans la formation)"""
         )
-    if (not "ue_code" in args) or (not args["ue_code"].strip()):
+    if (
+        (not "ue_code" in args)
+        or (args["ue_code"] is None)
+        or (not args["ue_code"].strip())
+    ):
         # évite les conflits de code
         while True:
             cursor = db.session.execute("select notes_newid_ucod();")
diff --git a/tests/unit/test_formsemestre.py b/tests/unit/test_formsemestre.py
index 4ca9a551..981b114e 100644
--- a/tests/unit/test_formsemestre.py
+++ b/tests/unit/test_formsemestre.py
@@ -52,7 +52,9 @@ def test_formsemestres_associate_new_version(test_client):
     assert {s.semestre_id for s in formsemestres} == {1}
     # Les rattache à une nouvelle version de la formation:
     formsemestre_ids = [s.id for s in formsemestres]
-    sco_formsemestre_edit.do_formsemestres_associate_new_version(formsemestre_ids)
+    sco_formsemestre_edit.do_formsemestres_associate_new_version(
+        formation.id, formsemestre_ids
+    )
     new_formation: Formation = Formation.query.filter_by(
         acronyme="BUT GEII", version=2
     ).first()