@property
    def tuple(self):
        return (self.min_x, self.min_y, self.max_x, self.max_y)
Ensure that the connect() method works well with
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/gdal/envelope.py/Envelope.tuple--crossover with--dataset/ETHPy150Open MongoEngine/mongoengine/tests/test_connection.py/ConnectionTest.test_connect_uri_with_authsource