class_docstr: Base Task, shouldn't be used directly.
class_docstr_tok: ["Base","Task",",","should","n't","be","used","directly","."]
code: def _convert_metrics(self, metrics):
      if not metrics:
          metrics = []
      elif not isinstance(metrics, list):
          metrics = [metrics]
      return [
          parse_metric.parse_metric(metric, self) for metric in metrics
      ]
  
file_path: MatchZoo/matchzoo/engine/base_task.py
imports: import typing
  import abc
  from matchzoo.engine import base_metric
  from matchzoo.engine import parse_metric
label_desc: Use image node_id 2 for calling the BaseTask obj's underlying member method code with example usage: obj._convert_metrics(metrics) and returns: unknown