rouse: client: Update for host list API change

src/rouse/client.py

@@ -93,7 +93,7 @@ class Host(host.Host):
 
     @classmethod
     def find(cls, rouse, **keywords):
-        for item in rouse.get('/', **keywords):
+        for item in rouse.get('/', **keywords)['hosts']:
             host = cls.from_dict(item)
             host.rouse = rouse
             yield host