fixed a type error

Change-Id: I9eaceb833e9a0dc491822e3ab2b7d219ee909e82
diff --git a/xos/admin.py b/xos/admin.py
index 22b5707..fff263f 100644
--- a/xos/admin.py
+++ b/xos/admin.py
@@ -102,7 +102,7 @@
 
     readonly_fields = ('backend_status_text', 'instance',)
 
-    form = VMETenantForm
+    form = VMMTenantForm
 
     suit_form_tabs = (('general', 'Details'),)