- update to 2.1.2:
* Fix test failures on Python 3.11.4+ (#212, #213).
* Fix an incorrect type hint (#211).
* Add project URLs to setup.py (#215).
* Dropped Python 3.6 support, and made Python 3.11 support
official.
* :func:`~w3lib.url.safe_url_string` now generates safer
URLs.
* :func:`~w3lib.url.canonicalize_url` now strips spaces from
the input URL, to be more in line with the `URL living standard`_.
* :func:`~w3lib.html.get_base_url` now ignores HTML comments.
* Fixed :func:`~w3lib.url.safe_url_string` re-encoding
percent signs on the URL username and password even when
they were being used as part of an escape sequence. (#187, #196)
* Fixed :func:`~w3lib.http.basic_auth_header` using the wrong
flavor of base64 encoding, which could prevent authentication
in rare cases.
* Python 2 is no longer supported;
* The ``w3lib.form`` module is removed.
* The ``w3lib.html.remove_entities`` function is removed.
* The ``w3lib.url.urljoin_rfc`` function is removed.
* The following functions are deprecated, and will be removed
in future releases
* Type annotations are added (#172, #184).
* Added support for Python 3.9 and 3.10 (#168, #176).
* Fixed :func:`w3lib.html.get_meta_refresh` for ```` tags
where ``http-equiv`` is written after ``content`` (#179).
* Fixed :func:`w3lib.url.safe_url_string` for IDNA domains with
ports (#174).
* :func:`w3lib.url.url_query_cleaner` no longer adds an