Sync web-platform-tests PR 24303 into mozilla-central (this bug is closed when the sync is complete).
Details from upstream follow.
pyup-bot <firstname.lastname@example.org> wrote:
Update html5lib to 1.1
This PR updates html5lib from 1.0.1 to 1.1.
- Drop support for Python 3.3. (358)
- Drop support for Python 3.4. (421)
- Deprecate the
html5lib sanitizer (
html5lib.filters.sanitizer). We recommend users migrate to
Bleach <https://github.com/mozilla/bleach>. Please let us know if Bleach doesn't suffice for your
- Try to import from
collections.abc to remove DeprecationWarning and ensure
html5lib keeps working in future Python versions. (403)
- Drop optional
datrie dependency. (442)