pysal/mapclassify: mapclassify 2.3.0

Version 2.3.0 (2020-06-13) Key Enhancements Toplogical coloring to ensure no two adjacent polygons share the same color. Pooled classification allows for the use of the same class intervals across maps. Details We closed a total of 30 issues (enhancements and bug fixes) through 10 pull requests, since our last release on 2020-01-04. Issues Closed Make networkx optional, remove xfail from greedy (#77) BINDER: point to upstream (#76) add binder badge (#75) Binder (#74) sys import missing from setup.py (#73) [WIP] DOC: Updating tutorial (#66) chorobrewer branch has begun (#27) Is mapclassify code black? (#68) Code format and README (#69) Move testing over to github actions (#64) Add pinning in pooled example documentation (#67) Migrate to GHA (#65) Add a Pooled classifier (#51) Backwards compatability (#48) Difference between Natural Breaks and Fisher Jenks schemes (#62) ENH: add greedy (topological) coloring (#61) Error while running mapclassify (#60) Pooled (#59) Invalid escape sequences in strings (#57) 3.8, appveyor, deprecation fixes (#58) Pull Requests Make networkx optional, remove xfail from greedy (#77) BINDER: point to upstream (#76) add binder badge (#75) Binder (#74) [WIP] DOC: Updating tutorial (#66) Code format and README (#69) Migrate to GHA (#65) ENH: add greedy (topological) coloring (#61) Pooled (#59) 3.8, appveyor, deprecation fixes (#58) Acknowledgements The following individuals contributed to this release: Serge Rey James Gaboardi Eli Knaap Martin Fleischman