From 213d9879554837bf233897fa54acc8b84b8877d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A1s=20Veres-Szentkir=C3=A1lyi?= <vsza@vsza.hu>
Date: Tue, 5 Nov 2013 21:28:42 +0100
Subject: [PATCH] avoid None dereference upon double AudioThread.stop()

---
 pysstv/examples/gimp-plugin.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pysstv/examples/gimp-plugin.py b/pysstv/examples/gimp-plugin.py
index 381b06c..5a8cb6e 100755
--- a/pysstv/examples/gimp-plugin.py
+++ b/pysstv/examples/gimp-plugin.py
@@ -29,8 +29,9 @@ class AudioThread(Thread):
         self.parent.audio_thread_ended()
 
     def stop(self):
-        self.pas.sampler = []
-        self.pas = None
+        if self.pas is not None:
+            self.pas.sampler = []
+            self.pas = None
 
 
 class Sine1750(SSTV):