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Update cache.py (#1329)

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make D.feature([symbol], [Feature('close')], disk_cache=1) work correctly
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wony
2022-11-03 17:08:22 +08:00
committed by GitHub
parent fb5888be9e
commit 67d618d4b2
1 changed files with 1 additions and 1 deletions
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qlib/data/cache.py
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@@ -471,7 +471,7 @@ class DatasetCache(BaseProviderCache):
not_space_fields = remove_fields_space(fields)
data = data.loc[:, not_space_fields]
# set features fields
data.columns = list(fields)
data.columns = [str(i) for i in fields]
return data
@staticmethod