code: def __cache_touch(wrapped, key):
      try:
          wrapped._cache.move_to_end(key)
      except KeyError:  # not sure is it possible
          pass
  
file_path: mars/mars/lib/aio/lru.py
imports: import asyncio
  import os
  import weakref
  from collections import OrderedDict
  from functools import _CacheInfo, _make_key, partial, wraps
label_desc: Use image node_id 10 for calling a global function with example usage: __cache_touch(wrapped, key) without return types