Update coverage to 4.5.4
Created by: pyup-bot
This PR updates coverage from 4.5.1 to 4.5.4.
Changelog
4.5.4
---------------------------
- Multiprocessing support in Python 3.8 was broken, but is now fixed. Closes
`issue 828`_.
.. _issue 828: https://github.com/nedbat/coveragepy/issues/828
.. _changes_453:4.5.3
---------------------------
- Only packaging metadata changes.
.. _changes_452:4.5.2
----------------------------
- Namespace packages are supported on Python 3.7, where they used to cause
TypeErrors about path being None. Fixes `issue 700`_.
- Python 3.8 (as of today!) passes all tests. Fixes `issue 707`_ and
`issue 714`_.
- Development moved from `Bitbucket`_ to `GitHub`_.
.. _issue 700: https://github.com/nedbat/coveragepy/issues/700
.. _issue 707: https://github.com/nedbat/coveragepy/issues/707
.. _issue 714: https://github.com/nedbat/coveragepy/issues/714
.. _Bitbucket: https://bitbucket.org/ned/coveragepy
.. _GitHub: https://github.com/nedbat/coveragepy
.. _changes_451: