code: def validate(self) -> None:
      self._query_context.raise_for_access()
  
file_path: superset/superset/commands/chart/data/get_data_command.py
imports: import logging
  from typing import Any
  from flask_babel import gettext
  from superset.commands.base import BaseCommand
  from superset.commands.chart.exceptions import ChartDataCacheLoadError, ChartDataQueryFailedError
  from superset.common.query_context import QueryContext
  from superset.exceptions import CacheLoadError
label_desc: Use image node_id 3 for calling the ChartDataCommand obj's underlying member method code with example usage: obj.validate() without return types