use int in api search_read instead of str to make it work (binom bug)

members/models.py

@@ -1005,6 +1005,7 @@ class CagetteMember(models.Model):
 
     @staticmethod
     def can_become_titulaire(parent_id):
+        parent_id = int(parent_id) # mandatory
         api = OdooAPI()
         parent = api.search_read('res.partner',
                                 [['id', '=', parent_id]],
@@ -1028,6 +1029,7 @@ class CagetteMember(models.Model):
 
     @staticmethod
     def can_become_suppleant(child_id):
+        child_id = int(child_id) # mandatory
         api = OdooAPI()
         child = api.search_read('res.partner',
                                  [['id', '=', child_id]],