BUG: Various issues with maybe_convert_objects (GH #2845)
BUG: Another issue with maybe_convert_objects (GH #2845)
TST: Corner case tests for maybe_convert_objects (GH #2845)
Merge pull request #2846 from stephenwlin/fix-maybe-convert-objects

BUG: Various issues with maybe_convert_objects (GH #2845)
thanks!