From 05b4cb554645a3f0be0f7ee20e0df6b81620ea56 Mon Sep 17 00:00:00 2001
From: Calum Lind <calumlind+deluge@gmail.com>
Date: Tue, 18 Nov 2014 12:03:41 +0000
Subject: [PATCH] [GTKUI] Fix ImportError with ReactorAlreadyInstalledError

Older systems such as Ubuntu Lucid encountered this import error as Twisted versions < 10 don't
have the exception type ReactorAlreadyInstalledError.
---
 deluge/ui/gtkui/gtkui.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/deluge/ui/gtkui/gtkui.py b/deluge/ui/gtkui/gtkui.py
index fab40ebfd..8c38c0eeb 100644
--- a/deluge/ui/gtkui/gtkui.py
+++ b/deluge/ui/gtkui/gtkui.py
@@ -39,11 +39,16 @@ gobject.set_prgname("deluge")
 
 # Install the twisted reactor
 from twisted.internet import gtk2reactor
-from twisted.internet.error import ReactorAlreadyInstalledError
+
+try:
+    from twisted.internet.error import ReactorAlreadyInstalledError
+except ImportError:
+    # ReactorAlreadyInstalledError not available in Twisted version < 10
+    pass
 
 try:
     reactor = gtk2reactor.install()
-except ReactorAlreadyInstalledError, e:
+except ReactorAlreadyInstalledError:
     # Running unit tests so trial already installed a rector
     pass