make _prepare_metadata an instance method

9ba6cccd · chenfeiyu · 94b95c7b · 9ba6cccd
隐藏空白更改
内联并排

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data/dataset.py data/dataset.py +0 -1

未找到文件。
--- a/data/dataset.py
+++ b/data/dataset.py
@@ -13,7 +13,6 @@ class Dataset(object):
        """return a Record"""
        raise NotImplementedError
-    @classmethod
    def _prepare_metadata(self):
        raise NotImplementedError