code: def clear_db_task_fail():
      with create_session() as session:
          session.query(TaskFail).delete()
  
imports: from __future__ import annotations
  from airflow.jobs.job import Job
  from airflow.models import Connection, DagModel, DagRun, DagTag, DbCallbackRequest, Log, Pool, RenderedTaskInstanceFields, SlaMiss, TaskFail, TaskInstance, TaskReschedule, Trigger, Variable, XCom, errors
  from airflow.models.dag import DagOwnerAttributes
  from airflow.models.dagcode import DagCode
  from airflow.models.dagwarning import DagWarning
  from airflow.models.dataset import DagScheduleDatasetReference, DatasetDagRunQueue, DatasetEvent, DatasetModel, TaskOutletDatasetReference
  from airflow.models.serialized_dag import SerializedDagModel
  from airflow.providers.fab.auth_manager.models import Permission, Resource, assoc_permission_role
  from airflow.security.permissions import RESOURCE_DAG_PREFIX
  from airflow.utils.db import add_default_pool_if_not_exists, create_default_connections, reflect_tables
  from airflow.utils.session import create_session
label_desc: Use image node_id 19 for calling a global function with example usage: clear_db_task_fail() without return types