Arch Linux

$ deluge
:0: UserWarning: You do not have a working installation of the service_identity module: 'No module named service_identity'. Please install it from <https://pypi.python.org/pypi/service_identity> and make sure all of its dependencies are satisfied. Without the service_identity module, Twisted can perform only rudimentary TLS client hostname verification. Many valid certificate/hostname mappings may be rejected.
[ERROR ] 19:48:24 ui:171 No module named gtk
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/deluge/ui/ui.py", line 152, in __init__
from deluge.ui.gtkui.gtkui import GtkUI
File "/usr/lib/python2.7/site-packages/deluge/ui/gtkui/__init__.py", line 1, in <module>
from gtkui import start
File "/usr/lib/python2.7/site-packages/deluge/ui/gtkui/gtkui.py", line 50, in <module>
reactor = gtk2reactor.install()
File "/usr/lib/python2.7/site-packages/twisted/internet/gtk2reactor.py", line 99, in install
reactor = Gtk2Reactor(useGtk)
File "/usr/lib/python2.7/site-packages/twisted/internet/gtk2reactor.py", line 71, in __init__
import gtk as _gtk
ImportError: No module named gtk
[ERROR ] 19:48:24 ui:172 There was an error whilst launching the request UI: gtk
[ERROR ] 19:48:24 ui:173 Look at the traceback above for more information.