code: def _parse_module_spec(spec):
      parts = spec.rsplit("/", 1)
      if len(parts) == 2:
          return parts[0], parts[1]
      return None, parts[0]
  
imports: import warnings
  import logging
  import os
  import pdb
  import sys
  import traceback
  from guild import exit_code
  from guild import op_util
  from guild import util
label_desc: Use image node_id 13 for calling a global function with example usage: _parse_module_spec(spec) and returns: None,  parts, parts,  parts