diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index 64117dca..a2210c0d 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -2331,6 +2331,10 @@ class Machine(BaseClasseCrans):
     filtre_idn = '(|(objectClass=machineFixe)(objectClass=machineWifi)'
     filtre_idn += '(objectClass=machineCrans)(objectClass=borneWifi))'
     
+    def __len__(self):
+        import random
+        return random.randint(0,10)
+    
     def __init__(self, parent_or_tuple, mode='', conn=None):
         """ 
         parent_or_tuple est :