def METHOD_NAME(group, existing_group):
    if "users_to_remove" in group:
        print("---> There is some users to remove")
        for user in group["users_to_remove"]:
            try:
                owner = Owner.objects.get(user__username=user)
                if owner not in existing_group.users.all():
                    print('----> User with username "' + user + '" is not in group')
                else:
                    print('----> Removing "' + user + '" to the group')
                    existing_group.users.remove(owner)
            except ObjectDoesNotExist:
                print('----> User with username "' + user + "\" doesn't exist")