code: def register_to_sys_with_admin_list(class_inst, admin_list=None, is_normal_admin_needed=False):
      
      if admin_list is None:
          admin_class = get_valid_admin_class_with_list([], class_inst)
      else:
          admin_class = get_valid_admin_class_with_list(admin_list, class_inst)
      if is_normal_admin_needed:
          register_all_type_of_admin(admin_class, class_inst)
      else:
          register_admin(admin_class, class_inst)
docs: :param class_inst: model class
      :param admin_list: admin class
      :param is_normal_admin_needed: is normal admin registration needed
      :return: