diff --git a/README.md b/README.md
index 4d149d03..e4afee00 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,11 @@ Pour créer un utilisateur "super admin", c'est à dire admin dans tous les dép
 
     python -m unittest tests.test_users
 
-
+# TODO
+
+ - page d'erreur ScoValueError
+ - redirection pour authentification
+ - import/export Excel
+ 
 
 
diff --git a/app/scodoc/sco_formations.py b/app/scodoc/sco_formations.py
index e4ac0acb..b41c481c 100644
--- a/app/scodoc/sco_formations.py
+++ b/app/scodoc/sco_formations.py
@@ -42,6 +42,7 @@ from app.scodoc import sco_formsemestre
 from app.scodoc import sco_news
 from app.scodoc import sco_preferences
 from app.scodoc import sco_tag_module
+from app.scodoc import sco_xml
 from app.scodoc import VERSION
 from app.scodoc.gen_tables import GenTable
 from app.scodoc.sco_exceptions import ScoValueError
@@ -133,35 +134,7 @@ def formation_export(
     )
 
 
-ELEMENT_NODE = 1
-TEXT_NODE = 3
-
-
-def XMLToDicts(element, encoding):
-    """Represent dom element as a dict
-    Example:
-       <foo x="1" y="2"><bar z="2"/></foo>
-    will give us:
-       ('foo', {'y': '2', 'x': '1'}, [('bar', {'z': '2'}, [])])
-    """
-    d = {}
-    # attributes
-    if element.attributes:
-        for i in range(len(element.attributes)):
-            a = element.attributes.item(i).nodeName.encode(encoding)
-            v = element.getAttribute(element.attributes.item(i).nodeName)
-            d[a] = v.encode(encoding)
-    # descendants
-    childs = []
-    for child in element.childNodes:
-        if child.nodeType == ELEMENT_NODE:
-            childs.append(XMLToDicts(child, encoding))
-    return (element.nodeName.encode(encoding), d, childs)
-
-
-def formation_import_xml(
-    context, REQUEST, doc, import_tags=True, encoding=scu.SCO_ENCODING
-):
+def formation_import_xml(context, REQUEST, doc, import_tags=True):
     """Create a formation from XML representation
     (format dumped by formation_export( format='xml' ))
     """
@@ -175,7 +148,7 @@ def formation_import_xml(
         raise ScoValueError("Fichier XML invalide")
 
     f = dom.getElementsByTagName("formation")[0]  # or dom.documentElement
-    D = XMLToDicts(f, encoding)
+    D = sco_xml.xml_to_dicts(f)
     assert D[0] == "formation"
     F = D[1]
     F_quoted = F.copy()
diff --git a/app/scodoc/sco_inscr_passage.py b/app/scodoc/sco_inscr_passage.py
index c107289a..8dcfabaa 100644
--- a/app/scodoc/sco_inscr_passage.py
+++ b/app/scodoc/sco_inscr_passage.py
@@ -462,7 +462,7 @@ def build_page(
 
 def formsemestre_inscr_passage_help(sem):
     return (
-        """<div class="pas_help pas_help_left"><h3><a name="help">Explications</a></h3>
+        """<div class="pas_help"><h3><a name="help">Explications</a></h3>
     <p>Cette page permet d'inscrire des étudiants dans le semestre destination
     <a class="stdlink"
     href="formsemestre_status?formsemestre_id=%(formsemestre_id)s">%(titreannee)s</a>, 
diff --git a/app/scodoc/sco_xml.py b/app/scodoc/sco_xml.py
index f5a08a55..d7ec39b2 100644
--- a/app/scodoc/sco_xml.py
+++ b/app/scodoc/sco_xml.py
@@ -96,3 +96,29 @@ def _dictlist2xml(dictlist, root=None, tagname=None, quote=False):
                 for (k, v) in d_list.items():
                     _dictlist2xml(v, tagname=k, root=elem, quote=quote)
     return root
+
+
+ELEMENT_NODE = 1
+TEXT_NODE = 3
+
+
+def xml_to_dicts(element):
+    """Represent dom element as a dict
+    Example:
+       <foo x="1" y="2"><bar z="2"/></foo>
+    will give us:
+       ('foo', {'y': '2', 'x': '1'}, [('bar', {'z': '2'}, [])])
+    """
+    d = {}
+    # attributes
+    if element.attributes:
+        for i in range(len(element.attributes)):
+            a = element.attributes.item(i).nodeName
+            v = element.getAttribute(element.attributes.item(i).nodeName)
+            d[a] = v
+    # descendants
+    childs = []
+    for child in element.childNodes:
+        if child.nodeType == ELEMENT_NODE:
+            childs.append(xml_to_dicts(child))
+    return (element.nodeName, d, childs)
\ No newline at end of file
diff --git a/app/views/notes.py b/app/views/notes.py
index 3fc7bd5b..470fb417 100644
--- a/app/views/notes.py
+++ b/app/views/notes.py
@@ -251,11 +251,13 @@ sco_publish(
     "/formsemestre_delete",
     sco_formsemestre_edit.formsemestre_delete,
     Permission.ScoImplement,
+    methods=["GET", "POST"],
 )
 sco_publish(
     "/formsemestre_delete2",
     sco_formsemestre_edit.formsemestre_delete2,
     Permission.ScoImplement,
+    methods=["GET", "POST"],
 )
 sco_publish(
     "/formsemestre_recapcomplet",
@@ -2170,7 +2172,7 @@ def formsemestre_fix_validation_ues(context, formsemestre_id, REQUEST=None):
     )
 
 
-@bp.route("/formsemestre_validation_suppress_etud")
+@bp.route("/formsemestre_validation_suppress_etud", methods=["GET", "POST"])
 @permission_required(Permission.ScoView)
 @scodoc7func(context)
 def formsemestre_validation_suppress_etud(