=== modified file 'bin/addons/base/module/module.py'
--- bin/addons/base/module/module.py	2009-06-12 11:00:33 +0000
+++ bin/addons/base/module/module.py	2009-06-25 09:59:27 +0000
@@ -184,6 +184,7 @@
         'state': lambda *a: 'uninstalled',
         'demo': lambda *a: False,
         'license': lambda *a: 'GPL-2',
+        'certificat': lambda *a: None,
     }
     _order = 'name'
 
@@ -480,7 +481,7 @@
             if not mod.description:
                 logger.notifyChannel("init", netsvc.LOG_WARNING, 'module %s: description is empty !' % (mod.name,))
 
-            if not mod.certificate:
+            if not mod.certificate or not mod.certificate.isdigit():
                 logger.notifyChannel('init', netsvc.LOG_WARNING, 'module %s: no quality certificate' % (mod.name,))
             else:
                 val = long(mod.certificate[2:]) % 97 == 29