diff --git a/cotisations/models.py b/cotisations/models.py
index a2b44b52..32326983 100644
--- a/cotisations/models.py
+++ b/cotisations/models.py
@@ -169,7 +169,7 @@ class Facture(BaseInvoice):
         return self.vente_set.all()
 
     def can_edit(self, user_request, *args, **kwargs):
-        user_can, _, permissions = self.user.can_edit(
+        user_can, _message, permissions = self.user.can_edit(
             user_request, *args, **kwargs)
         if not user_request.has_perm('cotisations.change_facture'):
             return (
@@ -196,7 +196,7 @@ class Facture(BaseInvoice):
             return True, None, None
 
     def can_delete(self, user_request, *args, **kwargs):
-        user_can, _, permissions = self.user.can_edit(
+        user_can, _message, permissions = self.user.can_edit(
             user_request, *args, **kwargs)
         if not user_request.has_perm('cotisations.delete_facture'):
             return (
@@ -546,7 +546,7 @@ class Vente(RevMixin, AclMixin, models.Model):
         super(Vente, self).save(*args, **kwargs)
 
     def can_edit(self, user_request, *args, **kwargs):
-        user_can, _, permissions = self.facture.user.can_edit(
+        user_can, _message, permissions = self.facture.user.can_edit(
             user_request, *args, **kwargs
         )
         if not user_request.has_perm('cotisations.change_vente'):
@@ -575,7 +575,7 @@ class Vente(RevMixin, AclMixin, models.Model):
             return True, None, None
 
     def can_delete(self, user_request, *args, **kwargs):
-        user_can, _, permissions = self.facture.user.can_edit(
+        user_can, _message, permissions = self.facture.user.can_edit(
             user_request, *args, **kwargs)
         if not user_request.has_perm('cotisations.delete_vente'):
             return (
diff --git a/machines/models.py b/machines/models.py
index a42a767b..11a4498b 100644
--- a/machines/models.py
+++ b/machines/models.py
@@ -168,7 +168,7 @@ class Machine(RevMixin, FieldPermissionModelMixin, models.Model):
         :param user_request: instance user qui fait l'edition
         :return: True ou False avec la raison le cas échéant"""
         if self.user != user_request:
-            can_user, _, permissions = self.user.can_edit(
+            can_user, _message, permissions = self.user.can_edit(
                 self.user,
                 user_request,
                 *args,
@@ -192,7 +192,7 @@ class Machine(RevMixin, FieldPermissionModelMixin, models.Model):
         :param user_request: instance user qui fait l'edition
         :return: True ou False avec la raison de l'échec le cas échéant"""
         if self.user != user_request:
-            can_user, _, permissions = self.user.can_edit(
+            can_user, _message, permissions = self.user.can_edit(
                 self.user,
                 user_request,
                 *args,
@@ -1307,7 +1307,7 @@ class Interface(RevMixin, AclMixin, FieldPermissionModelMixin, models.Model):
         :param user_request: Utilisateur qui fait la requête
         :return: soit True, soit False avec la raison de l'échec"""
         if self.machine.user != user_request:
-            can_user, _, permissions = self.machine.user.can_edit(
+            can_user, _message, permissions = self.machine.user.can_edit(
                 user_request,
                 *args,
                 **kwargs
@@ -1330,7 +1330,7 @@ class Interface(RevMixin, AclMixin, FieldPermissionModelMixin, models.Model):
         :param user_request: Utilisateur qui fait la requête
         :return: soit True, soit False avec la raison de l'échec"""
         if self.machine.user != user_request:
-            can_user, _, permissions = self.machine.user.can_edit(
+            can_user, _message, permissions = self.machine.user.can_edit(
                 user_request,
                 *args,
                 **kwargs
@@ -1435,7 +1435,7 @@ class Ipv6List(RevMixin, AclMixin, FieldPermissionModelMixin, models.Model):
         :param user_request: Utilisateur qui fait la requête
         :return: soit True, soit False avec la raison de l'échec"""
         if self.interface.machine.user != user_request:
-            can_user, _, permissions = self.interface.machine.user.can_edit(
+            can_user, _message, permissions = self.interface.machine.user.can_edit(
                 user_request,
                 *args,
                 **kwargs
@@ -1458,7 +1458,7 @@ class Ipv6List(RevMixin, AclMixin, FieldPermissionModelMixin, models.Model):
         :param user_request: Utilisateur qui fait la requête
         :return: soit True, soit False avec la raison de l'échec"""
         if self.interface.machine.user != user_request:
-            can_user, _, permissions = self.interface.machine.user.can_edit(
+            can_user, _message, permissions = self.interface.machine.user.can_edit(
                 user_request,
                 *args,
                 **kwargs
diff --git a/users/models.py b/users/models.py
index 1de58ea5..68719e0f 100755
--- a/users/models.py
+++ b/users/models.py
@@ -425,7 +425,6 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
     def is_adherent(self):
         """ Renvoie True si l'user est adhérent : si
         self.end_adhesion()>now"""
-        return True
         end = self.end_adhesion()
         if not end:
             return False
@@ -437,7 +436,6 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
     def is_connected(self):
         """ Renvoie True si l'user est adhérent : si
         self.end_adhesion()>now et end_connexion>now"""
-        return True
         end = self.end_connexion()
         if not end:
             return False