From 7258f59846297f3dc6bf38a47dface8cef94b719 Mon Sep 17 00:00:00 2001
From: ApolloLizhaoyu <apollo19990425@sjtu.edu.cn>
Date: Thu, 6 Aug 2020 13:05:01 +0800
Subject: [PATCH] update

---
 serapi.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/serapi.py b/serapi.py
index 054c504b..e5fe1ad3 100644
--- a/serapi.py
+++ b/serapi.py
@@ -365,6 +365,7 @@ def pop(self):
         'rollback to a checkpoint created by push'
         self.cancel(self.states_stack.pop())
 
+
     def pop_n(self, cnt):
         states = []
         for i in range(cnt):