make id_group mandatory

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23205 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/IdTool.py

@@ -150,7 +150,7 @@ class IdTool(BaseTool):
 
   security.declareProtected(Permissions.AccessContentsInformation,
                             'getLastLengthGeneratedId')
-  def getLastLengthGeneratedId(self,id_group=None,default=None):
+  def getLastLengthGeneratedId(self, id_group, default=None):
     """
     Get the last length id generated
     """