Pin matplotlib

The purpose of this MR is to temporarily pin matplotlib. See related discussion https://github.com/dfm/corner.py/issues/236 and bilby!1293 (merged).

approved this merge request

This is ready to be merged (subject to passing CI).

merged

mentioned in commit b2e10e44

mentioned in issue #301 (closed)

@charlie.hoy, presuming this was for GWpy's sake, this can be reverted now that gwpy-3.0.7 is out.

mentioned in merge request !746

mentioned in commit duncanmmacleod/pesummary@8be064ec

mentioned in merge request !794 (merged)

mentioned in issue #320 (closed)

mentioned in commit duncanmmacleod/pesummary@77e9883c

mentioned in commit duncanmmacleod/pesummary@438ed412

mentioned in commit duncanmmacleod/pesummary@c399b485