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License file was synced with CPython project (see [1]). [1] https://github.com/python/typing_extensions/commit/bb75d261196aa6f520d1b80b373891c860ebb71b Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com> Signed-off-by: Arnout Vandecappelle <arnout@mind.be>