improve demandimport usage

src/common/gajim.py

@@ -166,7 +166,7 @@ HAVE_LATEX = False
 
 HAVE_FARSIGHT = True
 try:
-    import farsight
+    farsight = __import__('farsight')
     import gst
     import glib
     try:

src/gajim.py

@@ -40,8 +40,7 @@ demandimport.enable()
 demandimport.ignore += ['gobject._gobject', 'libasyncns', 'i18n',
     'logging.NullHandler', 'dbus.glib', 'dbus.service',
     'command_system.implementation.standard', 'OpenSSL.SSL', 'OpenSSL.crypto',
-    'common.sleepy', 'DLFCN', 'dl', 'xml.sax', 'xml.sax.handler', 'ic',
-    'farsight']
+    'common.sleepy', 'DLFCN', 'dl', 'xml.sax', 'xml.sax.handler', 'ic']
 
 import os
 import sys