def georss_coords(self, coords):
        return u' '.join([u'%f %f' % (coord[1], coord[0]) for coord in coords])
In GeoRSS coordinate pairs are ordered by lat/lon and separated by
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/gis/feeds.py/GeoFeedMixin.georss_coords