[py3] Fixed outdated map() call in GIS sql compiler

try:

    from itertools import zip_longest

except ImportError:

    from itertools import izip_longest as zip_longest

from django.utils.six.moves import zip

from django.db.backends.util import truncate_name, typecast_timestamp

        if self.connection.ops.oracle or getattr(self.query, 'geo_values', False):

            # We resolve the rest of the columns if we're on Oracle or if

            # the `geo_values` attribute is defined.

            for value, field in map(None, row[index_start:], fields):

            for value, field in zip_longest(row[index_start:], fields):

                values.append(self.query.convert_values(value, field, self.connection))

        else:

            values.extend(row[index_start:])