From 02712ffe109aaeb7b6323be16fbafa81c49eb08c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Przemys=C5=82aw=20Fierek?= <Przemyslaw.Fierek@nordicsemi.no>
Date: Wed, 18 Jan 2017 18:10:30 +0100
Subject: [PATCH] Fix a python sniffer stop method (Remove deadlock). (#1163)

---
 tests/scripts/thread-cert/sniffer.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tests/scripts/thread-cert/sniffer.py b/tests/scripts/thread-cert/sniffer.py
index 1e371c641..a9bc9c3bc 100644
--- a/tests/scripts/thread-cert/sniffer.py
+++ b/tests/scripts/thread-cert/sniffer.py
@@ -103,10 +103,11 @@ class Sniffer:
         """ Stop sniffing. """
 
         self._thread_alive.clear()
-        self._thread.join()
-        self._thread = None
 
         self._transport.close()
+        
+        self._thread.join()
+        self._thread = None
 
     def get_messages_sent_by(self, nodeid):
         """ Get sniffed messages.