code: def _get_json_data(self):
      for line in open(self._input_file):
          if not line.isspace():
              yield self._predictor.load_line(line)
  
imports: from __future__ import absolute_import
  from __future__ import print_function
  import argparse
  import sys
  import json
  from allennlp.commands.subcommand import Subcommand
  from allennlp.common.checks import check_for_gpu, ConfigurationError
  from allennlp.common.util import lazy_groups_of
  from allennlp.models.archival import load_archive
  from allennlp.predictors.predictor import Predictor, JsonDict
  from allennlp.data import Instance
  from io import open
label_desc: Use image node_id 5 for calling the _PredictManager obj's underlying member method code with example usage: obj._get_json_data() without return types