code: def upload_file(self, key, local_path):
      target_path = os.path.join(self.store_root, key)
      if not os.path.exists(local_path):
          self.logger.debug(
              "Local path {0} does not exist. SKIPPING upload to {1}".format(
                  local_path, target_path
              )
          )
          return False
      self._ensure_path_dirs_exist(target_path)
      self._copy_file(local_path, target_path)
      return True
  
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 4 for calling the LocalStorageHandler obj's underlying member method code with example usage: obj.upload_file(key, local_path) and returns: True, False