From 4d4056defd2d42e61a0de9be09776c6f3d9fe3f0 Mon Sep 17 00:00:00 2001
From: Ben Nuttall <ben@bennuttall.com>
Date: Mon, 19 Sep 2016 14:17:07 +0100
Subject: [PATCH] Don't bother checking if source is None

---
 gpiozero/output_devices.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gpiozero/output_devices.py b/gpiozero/output_devices.py
index e516911..da0c184 100644
--- a/gpiozero/output_devices.py
+++ b/gpiozero/output_devices.py
@@ -185,8 +185,7 @@ class DigitalOutputDevice(OutputDevice):
             self._blink_thread = None
 
     def _stop_source(self):
-        if self.source is not None:
-            self.source = None
+        self.source = None
 
     def _stop_blink(self):
         if self._controller: