Update LDAP when email of a member changes

coin/members/models.py

@@ -171,7 +171,9 @@ class Member(CoinLdapSyncMixin, AbstractUser):
         # Do not perform LDAP query if no usefull fields to update are specified
         # in update_fields
         # Ex : at login, last_login field is updated by django auth module.
-        if update_fields and set(['username', 'last_name', 'first_name']).isdisjoint(set(update_fields)):
+        relevant_fields = {'username', 'last_name', 'first_name',
+                           'organization_name', 'email'}
+        if update_fields and relevant_fields.isdisjoint(set(update_fields)):
             return
 
         # Fail if no username specified