code: def _script_path(opref, cwd):
      path = os.path.join(opref.pkg_name, opref.op_name)
      if cwd:
          path = os.path.relpath(path, cwd)
      return path
  
file_path: guildai/guild/opref.py
imports: import collections
  import logging
  import os
  import re
  from guild import util
label_desc: Use image node_id 12 for calling a global function with example usage: _script_path(opref, cwd) and returns: path