module 'recmetrics' has no attribute 'prediction_coverage' about recmetrics

[itsoum]

Hello @rhkaz ,

I contributed the two above mentioned different versions of coverage metric at October of 2019 when @statisticianinstilettos accepted and merged these pull request.
If you have used pip install recmetrics in order to install the recmetrics probably your version is not aligned with the updated github repository version given that last realease on pypi is Mar 5, 2019.
So, you should install manually recmetrics from github.

@statisticianinstilettos maybe you sould update the release.

Ilias

[gregwchase]

Fixed in #26