From 81987bb1436d2d3990662c89cb9c14e88270c0f9 Mon Sep 17 00:00:00 2001
From: bxdd <45119470+bxdd@users.noreply.github.com>
Date: Tue, 9 Mar 2021 15:38:04 +0800
Subject: [PATCH] Update ops.py

---
 qlib/data/ops.py | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/qlib/data/ops.py b/qlib/data/ops.py
index 8bc7e1fa7..cbc101f47 100644
--- a/qlib/data/ops.py
+++ b/qlib/data/ops.py
@@ -74,7 +74,6 @@ class NpElemOperator(ElemOperator):
     """
 
     def __init__(self, feature, func):
-        self.feature = feature
         self.func = func
         super(NpElemOperator, self).__init__(feature)
 
@@ -289,8 +288,6 @@ class NpPairOperator(PairOperator):
     """
 
     def __init__(self, feature_left, feature_right, func):
-        self.feature_left = feature_left
-        self.feature_right = feature_right
         self.func = func
         super(NpPairOperator, self).__init__(feature_left, feature_right)