update 1.1.1 (2019-02-24) to 2.0.1 (2021-05-19)
changes:
- https://github.com/pallets/markupsafe/blob/main/CHANGES.rst
Version 2.0.1 - Released 2021-05-18
- Mark top-level names as exported so type checking understands imports in user projects.
- Fix some types that weren't available in Python 3.6.0.
Version 2.0.0 -Released 2021-05-11
- Drop Python 2.7, 3.4, and 3.5 support.
- Markup.unescape uses `html.unescape` to support HTML5 character references.
- Add type annotations for static typing tools.