code: def get_model_select_metric(metrics):
      return metrics.accuracy
  
file_path: pytext/pytext/metric_reporters/pairwise_ranking_metric_reporter.py
imports: from pytext.data import CommonMetadata
  from pytext.metrics import compute_pairwise_ranking_metrics
  from .channel import ConsoleChannel
  from .metric_reporter import MetricReporter
label_desc: Use image node_id 4 for calling the PairwiseRankingMetricReporter obj's underlying member method code with example usage: obj.get_model_select_metric(metrics) and returns: metrics