code: def calculate_metric(self):
      return compute_all_metrics(
          [
              FramePredictionPair(pred_frame, target_frame)
              for pred_frame, target_frame in zip(
                  self.all_preds, self.all_targets
              )
          ],
          frame_accuracy=True,
      )
  
imports: from typing import Dict, List, Optional
  from pytext.common.constants import DatasetFieldName, Stage
  from pytext.data.data_structures.annotation import CLOSE, escape_brackets, OPEN
  from pytext.metrics.intent_slot_metrics import compute_all_metrics, FramePredictionPair, Node, Span
  from pytext.utils.data import byte_length, get_substring_from_offsets, merge_token_labels_to_slot, parse_slot_string
  from .channel import Channel, ConsoleChannel, FileChannel
  from .metric_reporter import MetricReporter
label_desc: Use image node_id 9 for calling the IntentSlotMetricReporter obj's underlying member method code with example usage: obj.calculate_metric() and returns: compute_all_metrics