From a83bcedb2261d9b4a16e2dbd58b6faa9bb611f11 Mon Sep 17 00:00:00 2001
From: Arjen Hiemstra <a.hiemstra@ultimaker.com>
Date: Thu, 9 Jul 2015 16:27:22 +0200
Subject: [PATCH] Catch errors when trying to close the connection thread

Contributes to #82
---
 plugins/USBPrinting/PrinterConnection.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/USBPrinting/PrinterConnection.py b/plugins/USBPrinting/PrinterConnection.py
index a4867e656a..7ef6c759ac 100644
--- a/plugins/USBPrinting/PrinterConnection.py
+++ b/plugins/USBPrinting/PrinterConnection.py
@@ -255,7 +255,10 @@ class PrinterConnection(SignalEmitter):
     ##  Close the printer connection    
     def close(self):
         if self._connect_thread.isAlive():
-            self._connect_thread.join()
+            try:
+                self._connect_thread.join()
+            except:
+                pass
         if self._serial is not None:
             self.setIsConnected(False)
             try: