docstr: return metrics {
           'acc': 0,
           'norm_edit_dis': 0,
      }
docstr_tok: ["return","metrics","{","'acc","'",":","0",",","'norm_edit_dis","'",":","0",",","}"]
code: def get_metric(self):
      """
      return metrics {
               'acc': 0,
               'norm_edit_dis': 0,
          }
      """
      self.psnr_avg = sum(self.psnr_result) / len(self.psnr_result)
      self.psnr_avg = round(self.psnr_avg.item(), 6)
      self.ssim_avg = sum(self.ssim_result) / len(self.ssim_result)
      self.ssim_avg = round(self.ssim_avg.item(), 6)
  
      self.all_avg = self.psnr_avg + self.ssim_avg
  
      self.reset()
      return {
          "psnr_avg": self.psnr_avg,
          "ssim_avg": self.ssim_avg,
          "all": self.all_avg,
      }
  
imports: from math import exp
  import paddle
  import paddle.nn.functional
  import paddle.nn
  import string
label_desc: Use image node_id 6 for calling the SRMetric obj's underlying member method code with example usage: obj.get_metric() and returns: dict