From 1b5836571b63bdcee8ff33233373e86e587f185f Mon Sep 17 00:00:00 2001
From: Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
Date: Sat, 16 Aug 2014 00:49:43 +0200
Subject: [PATCH] pyterm: fix exit behavior if twisted is not available

---
 dist/tools/pyterm/pyterm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dist/tools/pyterm/pyterm b/dist/tools/pyterm/pyterm
index fd07195ed..d159d12c9 100755
--- a/dist/tools/pyterm/pyterm
+++ b/dist/tools/pyterm/pyterm
@@ -248,8 +248,12 @@ class SerCmd(cmd.Cmd):
         # save history file
         readline.write_history_file()
         # shut down twisted if running
-        if reactor.running:
-            reactor.callFromThread(reactor.stop)
+        try:
+            if reactor.running:
+                reactor.callFromThread(reactor.stop)
+        except NameError:
+            pass
+
         if self.tcp_serial:
             self.ser.close()
         return True