code: def _verify_config_dict(self, valid, config, dev_os, key_path=None):
          '''
          Verify if the config dict is valid.
          '''
          if not key_path:
              key_path = []
          for key, value in valid.items():
              self._verify_config_key(key, value, valid, config, dev_os, key_pathf _verify_config_dict(self, valid, config, dev_os, key_path=None):
          '''
          Verify if the config dict is valid.
          '''
          if not key_path:
              key_path = []
          for key, value in valid.items():
              self._verify_config_key(key, value, valid, config, dev_os, key_path)
docs: Verify if the config dict is valid.