-
Guido van Rossum authored
(Upstream is https://github.com/python/typing) - Add TYPE_CHECKING (false at runtime, true in type checkers) (upstream #230). - Avoid error on Union[xml.etree.cElementTree.Element, str] (upstream #229). - Repr of Tuple[()] should be 'Tuple[()]' (upstream #231). - Add NewType() (upstream #189).
91185fe0
