From 0ce0a9c06e2dd156e4670387bccdda8c16eb99be Mon Sep 17 00:00:00 2001
From: Thorsten Eckel <te@znuny.com>
Date: Wed, 20 Dec 2017 15:44:36 +0100
Subject: [PATCH] Fixed bug: Calling .shift on class variables provides leads
 to errors when Unit class is used multiple times.

---
 lib/sequencer/unit/common/fallback_provider.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sequencer/unit/common/fallback_provider.rb b/lib/sequencer/unit/common/fallback_provider.rb
index 20292ef5c..5ea564ce2 100644
--- a/lib/sequencer/unit/common/fallback_provider.rb
+++ b/lib/sequencer/unit/common/fallback_provider.rb
@@ -7,7 +7,7 @@ class Sequencer
           provides = self.class.provides
           raise 'Only one provide attribute possible' if provides.size != 1
 
-          attribute = provides.shift
+          attribute = provides.first
           return if state.provided?(attribute)
 
           result = fallback