code: def clear_pools():
      with create_session() as session:
          session.query(Pool).delete()
  
file_path: airflow/tests/www/views/test_anonymous_as_admin_role.py
imports: from __future__ import annotations
  import pytest
  from airflow.models import Pool
  from airflow.utils.session import create_session
  from tests.test_utils.www import check_content_in_response
label_desc: Use image node_id 1 for calling a global function with example usage: clear_pools() without return types