fix the KeyError when mysarkar has only 1 island, use form_island as the condition
fix the KeyError when mysarkar has only 1 island, use form_island as the condition

steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge,steve-ord/daliuge