Add archive.org link for outdated web page
@@ -26,7 +26,9 @@ LOGGER = logging.getLogger(__name__)
def value_dispatch(func):
- """See http://lukasz.langa.pl/8/single-dispatch-generic-functions/"""
+ """See http://lukasz.langa.pl/8/single-dispatch-generic-functions/
+ https://web.archive.org/web/20190122122012/http://lukasz.langa.pl/8/single-dispatch-generic-functions/
+ """
_func = singledispatch(func)
@_func.register(Enum)
