code: def _compile(expr):
      return re.compile(expr, re.UNICODE)
  
imports: from __future__ import absolute_import
  import sys
  import re
  from collections import namedtuple
  import itertools
  from codecs import BOM_UTF8
  from parso.python.token import PythonTokenTypes
  from parso.utils import split_lines
label_desc: Use image node_id 4 for calling a global function with example usage: _compile(expr) and returns: re