Test installation using pip within anaconda

[grabl]

This issue was originally posted by @flyingsilverfin on 2018-09-21 14:02.

[vmax]

@flyingsilverfin special package need to be built for Anaconda. I assume the recommended way for installing PyPI packages into Anaconda environment is using pip (as with regular installations)

[flyingsilverfin]

Apparently it should be possible to use a standard pip package inside a conda environment, we just need to reproduce this and confirm it works.