Fix formsemestre_jury_but_erase (cas sans formsemestre)

app/but/jury_but.py

@@ -867,6 +867,7 @@ class DecisionsProposeesAnnee(DecisionsProposees):
             for dec_ue in self.decisions_ues.values():
                 if (
                     dec_ue
+                    and dec_ue.formsemestre
                     and self.formsemestre
                     and dec_ue.formsemestre.id == self.formsemestre.id
                 ):