- update to 1.6:
* Implement ``lazy.__set_name__()`` which helps in cases like
* ``foo=lazy(_foo)``.
* Pin sphinx and sphinx-rtd-theme versions in docs extra.
* Fix stray characters in keywords.

* Allow type checkers to infer the type of a lazy attribute
* Replace deprecated python setup.py test in tox.ini
* Remove deprecated test_suite from setup.py
* Move metadata to setup.cfg and add a pyproject.toml file
* Include tests in sdist but not in wheel