code: def unparse_line(parsed_line):  # type: (ParsedLine) -> str
      version_str = "{}.{}.{}".format(*parsed_line.version)
      callsite_str = "({}:{})".format(*parsed_line.callsite)
      value_str = (
          ": {}".format(parsed_line.value) if parsed_line.value else ""
      )
      return ":::MLPv{} {} {} {} {} {}".format(
          version_str,
          parsed_line.benchmark,
          parsed_line.timestamp,
          callsite_str,
          parsed_line.tag,
          value_str,
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from collections import namedtuple
  import json
  import os
  import re
  import subprocess
  import sys
  import typing
  import tensorflow
label_desc: Use image node_id 2 for calling a global function with example usage: unparse_line(parsed_line) and returns: str