'Return any masking views associated with a storage group.
:param array: the array serial number
:param storagegroup: the storage group name
:returns: masking view list'

def get_masking_views_from_storage_group(self, array, storagegroup):

    maskingviewlist = []
    storagegroup = self.get_storage_group(array, storagegroup)
    if (storagegroup and storagegroup.get('maskingview')):
        maskingviewlist = storagegroup['maskingview']
    return maskingviewlist
