code: def delete_file(self, key, shallow=True):
      key_path: str = self._get_file_path_from_key(key)
      if os.path.exists(key_path):
          self.logger.debug("Deleting local file {0}.".format(key_path))
          util.delete_local_path(key_path, self.store_root, False)
  
imports: import os
  import shutil
  from typing import Dict
  from studio.storage.storage_setup import get_storage_verbose_level
  from studio.storage.storage_type import StorageType
  from studio.storage.storage_handler import StorageHandler
  from studio.util import logs
  from studio.util import util
label_desc: Use image node_id 6 for calling the LocalStorageHandler obj's underlying member method code with example usage: obj.delete_file(key, shallow) without return types