code: def _split_named_function(s):
      m = NAMED_FUNCTION_P.match(s)
      if not m:
          return None
      return m.group(1), m.group(2).strip()
  
imports: import logging
  import os
  import re
  import yaml
  from guild import util
  from guild import yaml_util
label_desc: Use image node_id 31 for calling a global function with example usage: _split_named_function(s) and returns: m,  m, None