From 9bdf42aa1b726af56843998654829bb98632943c Mon Sep 17 00:00:00 2001
From: yumoqing <yumoqing@gmail.com>
Date: Sun, 22 Dec 2019 21:55:02 +0800
Subject: [PATCH] bugfix

---
 kivyblocks/pagescontainer.py | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/kivyblocks/pagescontainer.py b/kivyblocks/pagescontainer.py
index 69bf9cd..63b2eec 100644
--- a/kivyblocks/pagescontainer.py
+++ b/kivyblocks/pagescontainer.py
@@ -52,13 +52,7 @@ class PageContainer(FloatLayout):
 	def previous(self,v=None):
 		if len(self.pageWidgets) <= 1:
 			return 
-		w = self.pageWidgets[-1]
-		if hasattr(w, 'beforeDestroy'):
-			x = w.beforeDestroy()
-			if not x:
-				return
 		self.pageWidgets = self.pageWidgets[:-1]
-		del w
 		self.showLastPage()
 
 	def add_widget(self,widget):