Merge pull request #522 from lsst/tickets/SP-3166

tickets/SP-3166: Improve y labels on RangeHourglassPlot

Merge pull request #520 from lsst/tickets/SP-3143

tickets/SP-3143: Make sure dates returned from prenight index bucket are dates, not strings

Merge pull request #518 from lsst/tickets/SP-3039

tickets/SP-3039: Move some functionality from schedview notebooks into rubin_sim where it can be reused

Add test for get_prenight_index

make sure DF returned by get_prenight_index_from_bucket has a name

Fix for new python

Merge pull request #497 from lsst/tickets/SP-2745

tickets/SP-2745: Update pre-night simulation cron jobs to use lsst_suryey_sim dependencies to get versions of rubin_scheduler, etc.

Merge pull request #497 from lsst/tickets/SP-2745

tickets/SP-2745: Update pre-night simulation cron jobs to use lsst_suryey_sim dependencies to get versions of rubin_scheduler, etc.