code: def metric(self):
      json_path = self._get_path("metric")
      value = nested_get(self, json_path)
      return self.panel_metrics_helper.special_back_to_front(value)
  
file_path: wandb/wandb/apis/reports/_helpers.py
imports: from typing import Optional
  from ..public import PanelMetricsHelper, Run
  from .runset import Runset
  from .util import Attr, Base, Panel, nested_get, nested_set
label_desc: Use image node_id 3 for calling the PCColumn obj's underlying member method code with example usage: obj.metric() and returns: self