From 86cacfdf0cdf36802364db6ba017fd04e0b6fc37 Mon Sep 17 00:00:00 2001
From: yumoqing <yumoqing@gmail.com>
Date: Sat, 14 Nov 2020 07:49:44 +0800
Subject: [PATCH] bugfix

---
 kivyblocks/doubleface.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kivyblocks/doubleface.py b/kivyblocks/doubleface.py
index d11b93a..6d6bdea 100644
--- a/kivyblocks/doubleface.py
+++ b/kivyblocks/doubleface.py
@@ -45,7 +45,7 @@ class DoubleFace(WidgetReady, BoxLayout):
 		if not self.landscape_built or not self.portrait_built:
 			if not self.on_size_task is None:
 				self.on_size_task.cancel()
-			self.on_size_task.schedule_once(self.on_size,0.2)
+			self.on_size_task = Clock.schedule_once(self.on_size,0.2)
 			return
 		if self.width >= self.height:
 			if not self.landscape_widget in self.children: