code: def _remote_name(bucket, root):
      if root != "/":
          return f"s3:{bucket}{root}"
      return f"s3:{bucket}"
  
imports: import itertools
  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 2 for calling a global function with example usage: _remote_name(bucket, root) and returns: str, bucket, str, bucket, root