code: def batch_context(self, raw_batch, batch):
      context = {BatchContext.TASK_NAME: batch[BatchContext.TASK_NAME]}
      reporter = self.reporters[context[BatchContext.TASK_NAME]]
      context.update(reporter.batch_context(raw_batch, batch))
      return context
  
file_path: pytext/pytext/metric_reporters/disjoint_multitask_metric_reporter.py
imports: from typing import Dict, Optional
  from pytext.common.constants import BatchContext
  from .metric_reporter import MetricReporter
label_desc: Use image node_id 3 for calling the DisjointMultitaskMetricReporter obj's underlying member method code with example usage: obj.batch_context(raw_batch, batch) and returns: context