def as_esri_wkt(self):
url = '<STR_LIT>'.format(prefix=EPSG_IO_URL,<EOL>code=self.id)<EOL>return requests.get(url).text<EOL>
Return the ESRI WKT string which corresponds to the CRS.

For example::

    >>> print(get(27700).as_esri_wkt())  # doctest: +ELLIPSIS
    PROJCS["OSGB_1936_British_National_Grid",GEOGCS["GCS_OSGB 19...