docstr: return metrics {
           'acc': 0,
      }
docstr_tok: ["return","metrics","{","'acc","'",":","0",",","}"]
code: def get_metric(self):
      """
      return metrics {
               'acc': 0,
          }
      """
      acc = 1.0 * self.correct_num / (self.all_num + self.eps)
      self.reset()
      return {"acc": acc}
  
file_path: PaddleOCR/ppocr/metrics/table_metric.py
imports: import numpy
  from ppocr.metrics.det_metric import DetMetric
label_desc: Use image node_id 3 for calling the TableStructureMetric obj's underlying member method code with example usage: obj.get_metric() and returns: dict