[py3] Fixed outdated map() call in GIS sql compiler

django/contrib/gis/db/models/sql/compiler.py

@@ -1,3 +1,8 @@
+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
@@ -190,7 +195,7 @@ class GeoSQLCompiler(compiler.SQLCompiler):
         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:])