code: def run(self) -> None:
      self.validate()
      assert self._models
  
      for model_id in self._model_ids:
          Dashboard.clear_cache_for_slice(slice_id=model_id)
  
      try:
          ChartDAO.delete(self._models)
      except DAODeleteFailedError as ex:
          logger.exception(ex.exception)
          raise ChartDeleteFailedError() from ex
  
file_path: superset/superset/commands/chart/delete.py
imports: import logging
  from typing import Optional
  from flask_babel import lazy_gettext
  from superset import security_manager
  from superset.commands.base import BaseCommand
  from superset.commands.chart.exceptions import ChartDeleteFailedError, ChartDeleteFailedReportsExistError, ChartForbiddenError, ChartNotFoundError
  from superset.daos.chart import ChartDAO
  from superset.daos.exceptions import DAODeleteFailedError
  from superset.daos.report import ReportScheduleDAO
  from superset.exceptions import SupersetSecurityException
  from superset.models.dashboard import Dashboard
  from superset.models.slice import Slice
label_desc: Use image node_id 2 for calling the DeleteChartCommand obj's underlying member method code with example usage: obj.run() without return types