[GH4] Manager.hslice() was not using internally filtered queryset

django_hstore/hstore.py

@@ -98,7 +98,7 @@ def hpeek(self, attr, key, **params):
 
     def hslice(self, attr, keys, **params):
         queryset = (self.filter(**params) if params else self.get_query_set())
-        return self.get_query_set().hslice(attr, keys)
+        return queryset.hslice(attr, keys)
 
 try:
     from south.modelsinspector import add_introspection_rules