cartads: don't include None descriptions in labels (#32745)

passerelle/apps/cartads_cs/models.py

@@ -169,9 +169,16 @@ class AbstractCartaDSCS(BaseResource):
         client = self.soap_client()
         resp = client.service.GetListePdf(self.get_token(), type_dossier_id,
                 {'TypeCompteUtilisateur': type_compte})
+        def format_cerfa_label(x):
+            try:
+                if x['Description']:
+                    return u'%(Nom)s: %(Description)s' % x
+            except KeyError:
+                pass
+            return u'%(Nom)s' % x
         return {'data': [
             {'id': x['Identifiant'],
-             'text': u'%s: %s' % (x['Nom'], x['Description']),
+             'text': format_cerfa_label(x),
              'url': x['UrlTelechargement'],
             } for x in resp or []]}