Remove an unneeded special case for undone creation.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2284 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/storage/database/mysqldb.py

@@ -353,9 +353,6 @@ class MySQLDatabaseManager(DatabaseManager):
                     _, compression, checksum, data = self._getObjectData(oid,
                         data_serial, serial)
                 except CreationUndone:
-                    # XXX: why is a special case needed here ?
-                    if tid is None:
-                        return None
                     compression = 0
                     # XXX: this is the valid checksum for empty string
                     checksum = 1