On Thu, Aug 29, 2019 at 10:07 PM Philippe Prados <philippe.prados@gmail.com> wrote:

... and, runtime type checking (like https://github.com/agronholm/typeguard) must have a synthetised Union[] in __annotations__.

Runtime type checking tools can parse "str | int" too.

No need to implement runtime behavior for `str | int`.

Regards,

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Inada Naoki  <songofacandy@gmail.com>