code: def __init__(self, query_context: QueryContext):
      self._query_context = query_context
  
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 1 to create a new ChartDataCommand object from inherited base classes: BaseCommand with example: obj = ChartDataCommand(query_context)