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一个非常古怪的 bug：例如 [1] in [1,2] 居然返回 true #67

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guixianjin opened this issue Jan 5, 2022 · 0 comments

guixianjin commented Jan 5, 2022 •

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请看这一行，

DeepMatch/examples/run_youtubednn.py

Line 106 in 106bb4e

# if test_true_label[uid] in pred:

根据前面代码，test_true_label[uid] 应该是一个含有单值的 list（例如 [1]）, 而 pred 是一个 list 列表（例如 [1,2,3,4]），但结果居然是 in 操作在一定情况下返回 true，造成 hit 累计 1，从而最终 hit rate 不为 0。

非常古怪

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