Adding FIELD_TYPE_GEOMETRY as binary type fixes the issue of the UnicodeDecodeError and makes geometry types usable.

Author: phispi

_mysql.c

@@ -1373,6 +1373,7 @@ _mysql_field_to_python(
 		field_type == FIELD_TYPE_BLOB ||
 		field_type == FIELD_TYPE_VAR_STRING ||
 		field_type == FIELD_TYPE_STRING ||
+		field_type == FIELD_TYPE_GEOMETRY ||
 		field_type == FIELD_TYPE_BIT) {
 			binary = 1;
 	}