code: def _closure_parser(closure):
      assert isinstance(closure, tuple), (type(closure), closure)
      assert len(closure) == 2, closure
      parser = closure[1].cell_contents
      assert isinstance(parser, argparse.ArgumentParser), (
          type(parser),
          parser,
      )
      return parser
  
imports: import argparse
  import json
  import logging
  import sys
  from guild import entry_point_util
  from guild import flag_util
  from guild import log
  from guild import python_util
  from guild import util
label_desc: Use image node_id 7 for calling a global function with example usage: _closure_parser(closure) and returns: parser