From 8e67ac3b7672c1aa05c59bef29ad1b2c5520e07d Mon Sep 17 00:00:00 2001
From: Maxim Semenyuk <33791308+semenuk@users.noreply.github.com>
Date: Sun, 10 Mar 2019 07:10:29 +0500
Subject: [PATCH] Fix '__bool__' method (#735)

The method returns the truth when the stack is empty
---
 data_structures/stacks/stack.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data_structures/stacks/stack.py b/data_structures/stacks/stack.py
index 66af8c025..7f979d927 100644
--- a/data_structures/stacks/stack.py
+++ b/data_structures/stacks/stack.py
@@ -17,7 +17,7 @@ class Stack(object):
         self.limit = limit
 
     def __bool__(self):
-        return not bool(self.stack)
+        return bool(self.stack)
 
     def __str__(self):
         return str(self.stack)