[metadata] Avoid 'NoneType' object has no attribute 'strip' on list_tags
@@ -198,7 +198,7 @@ class NavigatorApi(Api):
}
auto_field_facets = ["tags", "type"] + f.keys()
- query_s = query_s.strip() + '*'
+ query_s = (query_s.strip() if query_s else '') + '*'
last_query_term = [term for term in query_s.split()][-1]
