class_docstr: Stores and manipulate eval_metric tuples.
class_docstr_tok: ["Stores","and","manipulate","eval_metric","tuples","."]
docstr: Packs the given list of arguments into the internal args structure.
docstr_tok: ["Packs","the","given","list","of","arguments","into","the","internal","args","structure","."]
code: def pack_args(self, args):
      """Packs the given list of arguments into the internal args structure."""
  
      from tensorflow.python.util import (
          nest,
      )  # pylint: disable=g-direct-tensorflow-import,g-import-not-at-top
  
      return nest.pack_sequence_as(self._args, args)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import inspect
  from absl import logging
  from adanet import tf_compat
  import six
  import tensorflow.compat.v2
label_desc: Use image node_id 5 for calling the _EvalMetricsStore obj's underlying member method code with example usage: obj.pack_args(args) and returns: nest