code: def get_run(run_id, root=None):
      root = root or runs_dir()
      path = os.path.join(root, run_id)
      if os.path.exists(path):
          return runlib.Run(run_id, path)
      raise LookupError(run_id)
  
imports: import errno
  import functools
  import logging
  import os
  import shutil
  import tempfile
  from guild import config
  from guild import run
  from guild import util
label_desc: Use image node_id 32 for calling a global function with example usage: get_run(run_id, root) and returns: runlib