Merge pull request #1913 from WenmuZhou/dygraph_rc

fix divide zero error

Merge pull request #1913 from WenmuZhou/dygraph_rc
fix divide zero error
d36a929b · MissPenguin · GitHub · d9335d2a · dc0a21ff · d36a929b
Unverified Commit d36a929b authored Feb 03, 2021 by MissPenguin Committed by GitHub Feb 03, 2021
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ppocr/metrics/rec_metric.py ppocr/metrics/rec_metric.py +1 -1

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--- a/ppocr/metrics/rec_metric.py
+++ b/ppocr/metrics/rec_metric.py
@@ -29,7 +29,7 @@ class RecMetric(object):
            pred = pred.replace(" ", "")
            target = target.replace(" ", "")
            norm_edit_dis += Levenshtein.distance(pred, target) / max(
-                len(pred), len(target))
+                len(pred), len(target), 1)
            if pred == target:
                correct_num += 1
            all_num += 1