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update

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bxdd
2021-01-28 11:31:15 +00:00
parent 948b829ff4
commit f6dd006c35
12 changed files with 242 additions and 251 deletions
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qlib/data/base.py
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@@ -157,7 +157,7 @@ class Expression(abc.ABC):
@abc.abstractmethod
def _load_internal(self, instrument, start_index, end_index, freq):
pass
raise NotImplementedError("This function must be implemented in your newly defined feature")
@abc.abstractmethod
def get_longest_back_rolling(self):