fix tests after merge

tests/models/test_trigger.py

@@ -17,18 +17,21 @@
 from __future__ import annotations
 
 import datetime
+from typing import Any, AsyncIterator
 
 import pytest
 import pytz
+from cryptography.fernet import Fernet
 
 from airflow.jobs.job import Job
 from airflow.jobs.triggerer_job_runner import TriggererJobRunner
 from airflow.models import TaskInstance, Trigger
 from airflow.operators.empty import EmptyOperator
-from airflow.triggers.base import TriggerEvent
+from airflow.triggers.base import BaseTrigger, TriggerEvent
 from airflow.utils import timezone
 from airflow.utils.session import create_session
 from airflow.utils.state import State
+from tests.test_utils.config import conf_vars
 
 pytestmark = pytest.mark.db_test