diff --git a/app/scodoc/pe_jurype.py b/app/scodoc/pe_jurype.py
index 73440bb82..b5d9b9c5a 100644
--- a/app/scodoc/pe_jurype.py
+++ b/app/scodoc/pe_jurype.py
@@ -1246,7 +1246,7 @@ def get_cosemestres_diplomants(context, semBase, avec_meme_formation=False):
     diplome = get_annee_diplome_semestre(semBase)
 
     if avec_meme_formation:  # si une formation est imposee
-        nom_formation = semBase["formation_id"]
+        nom_formation = str(semBase["formation_id"])
         if pe_tools.PE_DEBUG:
             pe_tools.pe_print("   - avec formation imposée : ", nom_formation)
         coSems = [
diff --git a/app/scodoc/pe_tools.py b/app/scodoc/pe_tools.py
index fd1587d8a..f119d26c3 100644
--- a/app/scodoc/pe_tools.py
+++ b/app/scodoc/pe_tools.py
@@ -87,7 +87,7 @@ def print_semestres_description(sems, avec_affichage_debug=False):
             + sem["anneescolaire"]
         )
         desc += " (" + sem["annee_debut"] + "/" + sem["annee_fin"] + ") "
-        desc += sem["formation_id"] + " / " + sem["formsemestre_id"]
+        desc += str(sem["formation_id"]) + " / " + sem["formsemestre_id"]
         desc += " - " + sem["titre_num"]
         return desc
 
diff --git a/app/scodoc/sco_edit_formation.py b/app/scodoc/sco_edit_formation.py
index 4f6e0123b..642baa1a4 100644
--- a/app/scodoc/sco_edit_formation.py
+++ b/app/scodoc/sco_edit_formation.py
@@ -29,6 +29,7 @@
 (portage from DTML)
 """
 import flask
+from flask import g, url_for
 
 import app.scodoc.notesdb as ndb
 import app.scodoc.sco_utils as scu
@@ -251,7 +252,11 @@ def formation_edit(context, formation_id=None, create=False, REQUEST=None):
             formation_id = do_formation_create(context, tf[2])
         else:
             do_formation_edit(context, tf[2])
-        return flask.redirect("ue_list?formation_id=%s" % formation_id)
+        return flask.redirect(
+            url_for(
+                "notes.ue_list", scodoc_dept=g.scodoc_dept, formation_id=formation_id
+            )
+        )
 
 
 def do_formation_create(context, args):
@@ -340,7 +345,11 @@ def module_move(context, module_id, after=0, REQUEST=None, redirect=1):
 
     # redirect to ue_list page:
     if redirect:
-        return flask.redirect("ue_list?formation_id=" + formation_id)
+        return flask.redirect(
+            url_for(
+                "notes.ue_list", scodoc_dept=g.scodoc_dept, formation_id=formation_id
+            )
+        )
 
 
 def ue_move(context, ue_id, after=0, REQUEST=None, redirect=1):
@@ -371,4 +380,10 @@ def ue_move(context, ue_id, after=0, REQUEST=None, redirect=1):
             sco_edit_ue._ueEditor.edit(cnx, neigh)
     # redirect to ue_list page
     if redirect:
-        return flask.redirect("ue_list?formation_id=" + o["formation_id"])
\ No newline at end of file
+        return flask.redirect(
+            url_for(
+                "notes.ue_list",
+                scodoc_dept=g.scodoc_dept,
+                formation_id=o["formation_id"],
+            )
+        )
diff --git a/app/scodoc/sco_edit_matiere.py b/app/scodoc/sco_edit_matiere.py
index b3af967ef..bcda2a50b 100644
--- a/app/scodoc/sco_edit_matiere.py
+++ b/app/scodoc/sco_edit_matiere.py
@@ -29,6 +29,7 @@
 (portage from DTML)
 """
 import flask
+from flask import g, url_for
 
 import app.scodoc.notesdb as ndb
 import app.scodoc.sco_utils as scu
@@ -136,7 +137,9 @@ associé.
         submitlabel="Créer cette matière",
     )
 
-    dest_url = scu.NotesURL() + "/ue_list?formation_id=" + UE["formation_id"]
+    dest_url = url_for(
+        "notes.ue_list", scodoc_dept=g.scodoc_dept, formation_id=UE["formation_id"]
+    )
 
     if tf[0] == 0:
         return "\n".join(H) + tf[1] + html_sco_header.sco_footer()
@@ -283,7 +286,7 @@ associé.
         submitlabel="Modifier les valeurs",
     )
 
-    dest_url = scu.NotesURL() + "/ue_list?formation_id=" + U["formation_id"]
+    dest_url = scu.NotesURL() + "/ue_list?formation_id=" + str(U["formation_id"])
 
     if tf[0] == 0:
         return "\n".join(H) + tf[1] + help + html_sco_header.sco_footer()
@@ -325,7 +328,7 @@ def matiere_is_locked(context, matiere_id):
         WHERE ma.id = mod.matiere_id
         AND mi.module_id = mod.id
         AND mi.formsemestre_id = sem.id
-        AND ma.id = %(matiere_id)s 
+        AND ma.id = %(matiere_id)s
         AND sem.etat = false
         """,
         {"matiere_id": matiere_id},
diff --git a/app/scodoc/sco_edit_module.py b/app/scodoc/sco_edit_module.py
index f087cd1e5..51f843792 100644
--- a/app/scodoc/sco_edit_module.py
+++ b/app/scodoc/sco_edit_module.py
@@ -125,7 +125,7 @@ def module_create(context, matiere_id=None, REQUEST=None):
     from app.scodoc import sco_formations
     from app.scodoc import sco_edit_ue
 
-    if not matiere_id:
+    if matiere_id is None:
         raise ScoValueError("invalid matiere !")
     M = sco_edit_matiere.do_matiere_list(context, args={"matiere_id": matiere_id})[0]
     UE = sco_edit_ue.do_ue_list(context, args={"ue_id": M["ue_id"]})[0]
@@ -298,7 +298,7 @@ def module_delete(context, module_id=None, REQUEST=None):
         """<h2>Suppression du module %(titre)s (%(code)s)</h2>""" % Mod,
     ]
 
-    dest_url = scu.NotesURL() + "/ue_list?formation_id=" + Mod["formation_id"]
+    dest_url = scu.NotesURL() + "/ue_list?formation_id=" + str(Mod["formation_id"])
     tf = TrivialFormulator(
         REQUEST.URL0,
         REQUEST.form,
@@ -363,7 +363,7 @@ def module_edit(context, module_id=None, REQUEST=None):
         """SELECT ue.acronyme, mat.*, mat.id AS matiere_id
         FROM notes_matieres mat, notes_ue ue
         WHERE mat.ue_id = ue.id
-        AND ue.formation_id = %(formation_id)s 
+        AND ue.formation_id = %(formation_id)d
         ORDER BY ue.numero, mat.numero
         """,
         {"formation_id": Mod["formation_id"]},
@@ -374,7 +374,7 @@ def module_edit(context, module_id=None, REQUEST=None):
 
     semestres_indices = list(range(1, parcours.NB_SEM + 1))
 
-    dest_url = scu.NotesURL() + "/ue_list?formation_id=" + Mod["formation_id"]
+    dest_url = scu.NotesURL() + "/ue_list?formation_id=" + str(Mod["formation_id"])
 
     H = [
         html_sco_header.sco_header(
@@ -609,7 +609,7 @@ def formation_add_malus_modules(context, formation_id, titre=None, REQUEST=None)
             ue_add_malus_module(context, ue["ue_id"], titre=titre, REQUEST=REQUEST)
 
     if REQUEST:
-        return flask.redirect("ue_list?formation_id=" + formation_id)
+        return flask.redirect("ue_list?formation_id=" + str(formation_id))
 
 
 def ue_add_malus_module(context, ue_id, titre=None, code=None, REQUEST=None):
diff --git a/app/scodoc/sco_edit_ue.py b/app/scodoc/sco_edit_ue.py
index e33f82e3d..13896270e 100644
--- a/app/scodoc/sco_edit_ue.py
+++ b/app/scodoc/sco_edit_ue.py
@@ -630,8 +630,11 @@ Si vous souhaitez modifier cette formation (par exemple pour y ajouter un module
                     context, Mat["matiere_id"]
                 ):
                     H.append(
-                        '<a class="stdlink" href="matiere_edit?matiere_id=%(matiere_id)s">'
-                        % Mat
+                        f"""<a class="stdlink" href="{
+                            url_for("notes.matiere_edit", 
+                            scodoc_dept=g.scodoc_dept, matiere_id=Mat["matiere_id"])
+                            }">
+                        """
                     )
                 H.append("%(titre)s" % Mat)
                 if editable and not sco_edit_matiere.matiere_is_locked(
@@ -724,14 +727,20 @@ Si vous souhaitez modifier cette formation (par exemple pour y ajouter un module
                 H.append("<li>Aucun module dans cette matière !")
                 if editable:
                     H.append(
-                        '<a class="stdlink" href="matiere_delete?matiere_id=%(matiere_id)s">supprimer cette matière</a>'
-                        % Mat
+                        f"""<a class="stdlink" href="{
+                            url_for("notes.matiere_delete", 
+                            scodoc_dept=g.scodoc_dept, matiere_id=Mat["matiere_id"])}"
+                        >supprimer cette matière</a>
+                        """
                     )
                 H.append("</li>")
             if editable:  # and ((not parcours.UE_IS_MODULE) or len(Modlist) == 0):
                 H.append(
-                    '<li> <a class="stdlink" href="module_create?matiere_id=%(matiere_id)s">créer un module</a></li>'
-                    % Mat
+                    f"""<li> <a class="stdlink" href="{
+                            url_for("notes.module_create", 
+                            scodoc_dept=g.scodoc_dept, matiere_id=Mat["matiere_id"])}"
+                    >créer un module</a></li>
+                    """
                 )
             H.append("</ul>")
             H.append("</li>")
@@ -831,7 +840,6 @@ def ue_sharing_code(context, ue_code=None, ue_id=None, hide_ue_id=None):
     """
     from app.scodoc import sco_formations
 
-    stop
     if ue_id:
         ue = do_ue_list(context, args={"ue_id": ue_id})[0]
         if not ue_code:
diff --git a/app/scodoc/sco_formations.py b/app/scodoc/sco_formations.py
index 62c17505e..b3282a4a7 100644
--- a/app/scodoc/sco_formations.py
+++ b/app/scodoc/sco_formations.py
@@ -31,6 +31,7 @@ from operator import itemgetter
 import xml.dom.minidom
 
 import flask
+from flask import g, url_for
 
 import app.scodoc.sco_utils as scu
 
@@ -85,7 +86,7 @@ def formation_list(context, formation_id=None, args={}):
 def formation_has_locked_sems(context, formation_id):
     "True if there is a locked formsemestre in this formation"
     sems = sco_formsemestre.do_formsemestre_list(
-        context, args={"formation_id": formation_id, "etat": "0"}
+        context, args={"formation_id": formation_id, "etat": False}
     )
     return sems
 
@@ -362,7 +363,12 @@ def formation_create_new_version(context, formation_id, redirect=True, REQUEST=N
     )
     if redirect:
         return flask.redirect(
-            "ue_list?formation_id=" + new_id + "&msg=Nouvelle version !"
+            url_for(
+                "notes.ue_list",
+                scodoc_dept=g.scodoc_dept,
+                formation_id=new_id,
+                msg="Nouvelle version !",
+            )
         )
     else:
         return new_id, modules_old2new, ues_old2new
\ No newline at end of file