code: def check_secret_key(self) -> None:
      def log_default_secret_key_warning() -> None:
          top_banner = (
              80 * "-" + "\n" + 36 * " " + "WARNING\n" + 80 * "-"
          )
          bottom_banner = 80 * "-" + "\n" + 80 * "-"
          logger.warning(top_banner)
          logger.warning(
              "A Default SECRET_KEY was detected, please use superset_config.py "
              "to override it.\n"
              "Use a strong complex alphanumeric string and use a tool to help"
              " you generate \n"
              "a sufficiently random sequence, ex: openssl rand -base64 42"
          )
          logger.warning(bottom_banner)
  
      if self.config["SECRET_KEY"] == CHANGE_ME_SECRET_KEY:
          if (
              self.superset_app.debug
              or self.superset_app.config["TESTING"]
              or is_test()
          ):
              logger.warning(
                  "Debug mode identified with default secret key"
              )
              log_default_secret_key_warning()
              return
          log_default_secret_key_warning()
          logger.error("Refusing to start due to insecure SECRET_KEY")
          sys.exit(1)
  
imports: from __future__ import annotations
  import contextlib
  import logging
  import os
  import sys
  from typing import Any, Callable, TYPE_CHECKING
  import wtforms_json
  from deprecation import deprecated
  from flask import Flask, redirect
  from flask_appbuilder import expose, IndexView
  from flask_babel import gettext
  from flask_compress import Compress
  from flask_session import Session
  from werkzeug.middleware.proxy_fix import ProxyFix
  from superset.constants import CHANGE_ME_SECRET_KEY
  from superset.extensions import _event_logger, APP_DIR, appbuilder, async_query_manager_factory, cache_manager, celery_app, csrf, db, encrypted_field_factory, feature_flag_manager, machine_auth_provider_factory, manifest_processor, migrate, profiling, results_backend_manager, ssh_manager_factory, stats_logger_manager, talisman
  from superset.security import SupersetSecurityManager
  from superset.superset_typing import FlaskResponse
  from superset.tags.core import register_sqla_event_listeners
  from superset.utils.core import is_test, pessimistic_connection_handling
  from superset.utils.log import DBEventLogger, get_event_logger_from_cfg_value
label_desc: Use image node_id 8 for calling the SupersetAppInitializer obj's underlying member method code with example usage: obj.check_secret_key() without return types