From a454f88f79fe57fc5b5636573de18aefc922ce25 Mon Sep 17 00:00:00 2001
From: ccsuzzh <1719571694@qq.com>
Date: Sat, 16 Sep 2023 10:23:56 +0800
Subject: [PATCH] enable flake8 E713 rule in python/paddle/base

---
 .flake8                        | 1 -
 python/paddle/base/backward.py | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/.flake8 b/.flake8
index ae80e91e460099..d9585ef248701d 100644
--- a/.flake8
+++ b/.flake8
@@ -28,7 +28,6 @@ per-file-ignores =
 
     # temp ignore base directory
     python/paddle/base/*:
-        E713,
         E712,
         E266,
         E714
diff --git a/python/paddle/base/backward.py b/python/paddle/base/backward.py
index ab97e6cea4cecb..dd0be1579573c7 100755
--- a/python/paddle/base/backward.py
+++ b/python/paddle/base/backward.py
@@ -439,7 +439,7 @@ def _all_in_set_(cands, s):
     if len(cands) == 0:
         return False
     for c in cands:
-        if not c in s:
+        if c not in s:
             return False
     return True