fixed indentation problems

edgy.py

@@ -19,7 +19,8 @@ reconnect when needed
 ##thanks to Arne Brix for programming most of this
 ##released under the GNU Public License
 ##see http://www.gnu.org/copyleft/gpl.html for details
-##this will only work in Edgy and above because of gtk requirements
+##this will only work if the GTK version is above 2.10.0
+##as it is in Ubuntu Edgy
 ##to run the tray icon
 ########
 import os

gui.py

@@ -339,7 +339,10 @@ class PrettyWirelessNetworkEntry(PrettyNetworkEntry):
         self.show_all()
     
     def setSignalStrength(self,strength, dbm_strength):
+        if strength is not None:
             strength = int(strength)
+        else:
+            dbm_strength = -1
         if dbm_strength is not None:
             dbm_strength = int(dbm_strength)
         else:

networking.py

@@ -175,8 +175,9 @@ class Wireless(Controller):
             wiface.SetEssid(essid)
 
         aps = wiface.GetNetworks()
-        aps.sort(key=lambda x: x['quality'])
-        aps.reverse()
+        print aps
+        aps.sort(key=lambda x: x['strength'])
+        #aps.reverse()
         return aps