bugfix: used syntax that is not available in python 2.4

pyweb/mumble/models.py

@@ -172,10 +172,15 @@ class MumbleUser( models.Model ):
 		
 		# Update user's registration
 		if self.password:
+			if self.owner:
+				email = self.owner.email
+			else:
+				email = settings.DEFAULT_FROM_EMAIL;
+			
 			murmur.setRegistration(
 				dbus.Int32(  self.mumbleid  ),
 				dbus.String( self.name      ),
-				dbus.String( self.owner.email if self.owner else settings.DEFAULT_FROM_EMAIL ),
+				dbus.String( email          ),
 				dbus.String( self.password  )
 				);