code: def fetch_asset(
      self,
      spec: Union[AssetSpec, str],
      return_info=False,
      force_download: typing.Optional[bool] = None,
  ):
      if isinstance(spec, str):
          spec = cast(AssetSpec, AssetSpec.from_string(spec))
      if force_download is None and self.storage_provider:
          force_download = self.storage_provider.force_download
  
      logger.info(
          "Fetching asset...",
          name=spec.name,
          version=spec.version,
          return_info=return_info,
          force_download=force_download,
      )
  
      asset_info = self._fetch_asset(
          spec, _force_download=force_download
      )
  
      path = asset_info["path"]
      if not os.path.exists(path):  # pragma: no cover
          logger.error(
              "An unknown error occured when fetching asset."
              "The path does not exist.",
              path=path,
              spec=spec,
          )
          raise AssetFetchError(
              f"An unknown error occured when fetching asset {spec}."
              f"The path {path} does not exist."
          )
  
      logger.info(
          "Fetched asset",
          name=spec.name,
          version=spec.version,
          from_cacke=asset_info.get("from_cache"),
      )
  
      if not return_info:
          return path
      return asset_info
  
imports: import os
  import shutil
  import typing
  from typing import Any, Dict, List, Optional, Union, cast
  import filelock
  from structlog import get_logger
  from modelkit.assets import errors
  from modelkit.assets.drivers.local import LocalStorageDriver
  from modelkit.assets.remote import NoConfiguredProviderError, StorageProvider
  from modelkit.assets.settings import AssetSpec
  from modelkit.utils.logging import ContextualizedLogging
label_desc: Use image node_id 6 for calling the AssetsManager obj's underlying member method code with example usage: obj.fetch_asset(spec, return_info, force_download) and returns: asset_info, path