code: def _remote_meta_id(self):
      with util.TempFile("guild-azure-blob-") as tmp:
          args = [self._container_path("meta-id"), tmp.path]
          self._azcopy("copy", args, quiet=True)
          return open(tmp.path, "r").read().strip()
  
imports: import logging
  import os
  import subprocess
  import sys
  import uuid
  from guild import remote
  from guild import remote_util
  from guild import util
  from guild import var
  from .None import meta_sync
label_desc: Use image node_id 4 for calling the AzureBlobStorageRemote obj's underlying member method code with example usage: obj._remote_meta_id() and returns: open