make _prepare_metadata an instance method

This commit is contained in:
chenfeiyu 2019-11-20 20:47:24 +08:00
parent 94b95c7b2c
commit 9ba6cccd53
1 changed files with 0 additions and 1 deletions

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@ -13,7 +13,6 @@ class Dataset(object):
"""return a Record"""
raise NotImplementedError
@classmethod
def _prepare_metadata(self):
raise NotImplementedError