perf: account task timing not triggered (#9564)

Co-authored-by: feng <1304903146@qq.com>

apps/accounts/tasks/backup_account.py

@@ -3,7 +3,6 @@
 from celery import shared_task
 from django.utils.translation import gettext_lazy as _
 
-from accounts.models import AccountBackupAutomation
 from common.utils import get_object_or_none, get_logger
 from orgs.utils import tmp_to_org, tmp_to_root_org
 
@@ -12,6 +11,7 @@ logger = get_logger(__file__)
 
 @shared_task(verbose_name=_('Execute account backup plan'))
 def execute_account_backup_plan(pid, trigger):
+    from accounts.models import AccountBackupAutomation
     with tmp_to_root_org():
         plan = get_object_or_none(AccountBackupAutomation, pk=pid)
     if not plan: