Use super to construct dbus.service.Object

Change-Id: I830decfc523d435c6b9ecdc9ffffec7956c3b85d
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/pyinventorymgr/inventory_items.py b/pyinventorymgr/inventory_items.py
index 456c2f3..16ae6d0 100644
--- a/pyinventorymgr/inventory_items.py
+++ b/pyinventorymgr/inventory_items.py
@@ -26,15 +26,16 @@
 
 class Inventory(DbusProperties, DbusObjectManager):
     def __init__(self, bus, name):
-        DbusProperties.__init__(self)
-        DbusObjectManager.__init__(self)
-        dbus.service.Object.__init__(self, bus, name)
+        super(Inventory, self).__init__(
+            conn=bus,
+            object_path=name)
 
 
 class InventoryItem(DbusProperties):
     def __init__(self, bus, name, data):
-        DbusProperties.__init__(self)
-        dbus.service.Object.__init__(self, bus, name)
+        super(InventoryItem, self).__init__(
+            conn=bus,
+            object_path=name)
 
         self.name = name