minor code cleanup

deluge/common.py

@@ -30,7 +30,6 @@ try:
     import dbus
     bus = dbus.SessionBus()
     dbus_fileman = bus.get_object("org.freedesktop.FileManager1", "/org/freedesktop/FileManager1")
-
 except:
     dbus_fileman = None
 

deluge/ui/gtkui/gtkui.py

@@ -15,9 +15,7 @@ import warnings
 import gobject
 import gtk
 from twisted.internet import gtk2reactor
-
-# Install the twisted reactor
-reactor = gtk2reactor.install()
+reactor = gtk2reactor.install()  # Install twisted reactor, before any other modules import reactor.
 
 import deluge.common
 import deluge.component as component

docs/source/conf.py

@@ -21,9 +21,6 @@ try:
 except ImportError:
     get_version = None
 
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
-on_travis = os.environ.get('TRAVIS', None) == 'true'
-
 # If your extensions are in another directory, add it here. If the directory
 # is relative to the documentation root, use os.path.abspath to make it
 # absolute, like shown here.