fix issue on python3 test=develop (#3535)

863b35ba · wopeizl · GitHub · 0be3697c · 863b35ba
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PaddleCV/metric_learning/utility.py PaddleCV/metric_learning/utility.py +1 -1

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--- a/PaddleCV/metric_learning/utility.py
+++ b/PaddleCV/metric_learning/utility.py
@@ -125,7 +125,7 @@ def recall_topk_parallel(fea, lab, k):
    N = 100
    L = fea.shape[0] / N
    params = []
-    for i in xrange(N):
+    for i in range(N):
        if i == N - 1:
            s, e = int(i * L), int(fea.shape[0])
        else: