message: [metric] Fixing ad-hoc metric for dual-line chart
diff: @@ -1317,6 +1317,7 @@ class NVD3DualLineViz(NVD3Viz):
  self.form_data.get('metric_2'),
  ]
  for i, m in enumerate(metrics):
  + m = utils.get_metric_name(m)
  ys = series[m]
  if df[m].dtype.kind not in 'biufc':
  continue
  