52.4 is formatted as 52°23'60" with certain precisions. Reported here: https://www.wikidata.org/wiki/Property_talk:P625#Why_is_60_seconds_possible.3F
Patches for review:
- https://github.com/DataValues/Geo/pull/90
- https://github.com/DataValues/Geo/pull/91
- Tag a new release.
-
Possibly update Wikibase.git to use the new release, if it does not happen automatically.