- update to 1.4.2
* Workaround for missing str.isascii() in Python 3.6
* Distinguish an empty password in URL from a password not provided at all
* Fixed annotations for optional parameters of URL.build
* Use None as default value of user parameter of URL.build
* Enforce building C Accelerated modules when installing from source tarball,
use YARL_NO_EXTENSIONS environment variable for falling back to (slower)
Pure Python implementation
* Fix quoting of plus in path by pure python version
* Don't create a new URL if fragment is unchanged
* Included in error msg the path that produces starting slash forbidden error
* Skip slow IDNA encoding for ASCII-only strings
OBS-URL: https://build.opensuse.org/request/show/769623
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-yarl?expand=0&rev=24
* Fix annotations for query parameter
* An incoming query sequence can have int variables
* Add URL.explicit_port property
* Give a friendlier error when port cant be converted to int
* bool(URL()) now returns False
* Fix annotations for build
* Fix annotations for cached_property
* Accept str subclasses in URL constructor
* Forbid inheritance, replace __init__ with __new__
* Support PEP-561 (provide type hinting marker)
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-yarl?expand=0&rev=22
