From 2ae4be426a6645e58e50764deabd3ac0d770e15f Mon Sep 17 00:00:00 2001 From: playfund Date: Fri, 17 May 2024 18:45:07 +0800 Subject: [PATCH] Delete redundant copy() code to speed up (#1732) Delete redundant copy() code to speed up Co-authored-by: Linlang Lv (iSoftStone Information) --- qlib/data/data.py | 1 - 1 file changed, 1 deletion(-) diff --git a/qlib/data/data.py b/qlib/data/data.py index 116827f23..1b1353ee4 100644 --- a/qlib/data/data.py +++ b/qlib/data/data.py @@ -536,7 +536,6 @@ class DatasetProvider(abc.ABC): """ if len(fields) == 0: raise ValueError("fields cannot be empty") - fields = fields.copy() column_names = [str(f) for f in fields] return column_names