def unwrap_json(json, name, need_type):
if (type(json) != list or len(json) != 2 or json[0] != name or
type(json[1]) != need_type):
- raise error.Error("expected [\"%s\", <%s>]"
+ raise error.Error('expected ["%s", <%s>]'
% (name, json_type_to_string(need_type)), json)
return json[1]