code: def delete_dashboard_slices_associations(
      dashboard: Dashboard,
  ) -> None:
      session.execute(
          dashboard_slices.delete().where(
              dashboard_slices.c.dashboard_id == dashboard.id
          )
      )
  
imports: import logging
  from typing import Optional
  from flask_appbuilder import Model
  from flask_appbuilder.security.sqla.models import User
  from superset import db
  from superset.connectors.sqla.models import SqlaTable, sqlatable_user
  from superset.models.core import Database
  from superset.models.dashboard import Dashboard, dashboard_slices, dashboard_user, DashboardRoles
  from superset.models.slice import Slice, slice_user
  from tests.integration_tests.dashboards.dashboard_test_utils import random_slug, random_str, random_title
label_desc: Use image node_id 15 for calling a global function with example usage: delete_dashboard_slices_associations(dashboard) without return types