Reverse dependency issues

[martinfleis]

Tracking currently failing checks in reverse dependency testing.

• [ ] geosnap (https://github.com/oturns/geosnap/issues/394)
• [ ] mgwr - test files are not shipped with mgwr (which is a good thing). Need to find a way of skipping those, probably via a custom pytest.mark within mgwr. To be discussed.
• [ ] pointpats - https://github.com/pysal/pointpats/pull/133
• [x] segregation - some issue with quilt3 loading the data from remote. might be a multithreading issue?
• [ ] spvcm - actual numpy and statsmodels errors. need to report or discuss the maintenance status of spvcm
• [x] tobler - https://github.com/pysal/tobler/issues/198

[jGaboardi]

Excellent job @martinfleis for the push on this.