+ if users_by_hrn:
+ #Construct the list of filters for GetPersons
+ filter_user = []
+ for hrn in users_by_hrn:
+ filter_user.append ( {'hrn':hrn})
+ existing_users = self.driver.GetPersons(filter_user)
+ #existing_users = self.driver.GetPersons({'hrn': users_by_hrn.keys()})