code: def n(name):
      """create a selector name (for methods)"""
      return objc.sel_registerName(_utf8(name))
  
file_path: catboost/contrib/python/appnope/py2/appnope/_nope.py
imports: from contextlib import contextmanager
  import ctypes
  import ctypes.util
label_desc: Use image node_id 2 for calling a global function with example usage: n(name) and returns: objc