TypeError: __init__() got an unexpected keyword argument 'populate_default'

[Raoul Snyman]

On Ubuntu 10.04, SQLAlchemy Migrate 0.5.4 does not support the "populate_default" keyword.

The following traceback occurs when trying to upgrade a database:

Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/openlp/core/lib/pluginmanager.py", line 111, in find_plugins
    plugin = p(plugin_helpers)
  File "/usr/lib/pymodules/python2.6/openlp/plugins/songs/songsplugin.py", line 62, in __init__
    self.manager = Manager(u'songs', init_schema, upgrade_mod=upgrade)
  File "/usr/lib/pymodules/python2.6/openlp/core/lib/db.py", line 203, in __init__
    db_ver, up_ver = upgrade_db(self.db_url, upgrade_mod)
  File "/usr/lib/pymodules/python2.6/openlp/core/lib/db.py", line 108, in upgrade_db
    (session, metadata, tables)
  File "/usr/lib/pymodules/python2.6/openlp/plugins/songs/lib/upgrade.py", line 71, in upgrade_1
    .create(table=tables[u'media_files'], populate_default=True)
  File "/usr/lib/pymodules/python2.6/migrate/changeset/schema.py", line 365, in create
    engine._run_visitor(visitorcallable, self, *args, **kwargs)
  File "/usr/lib/pymodules/python2.6/sqlalchemy/engine/base.py", line 1158, in _run_visitor
    visitorcallable(self.dialect, conn, **kwargs).traverse(element)
  File "/usr/lib/pymodules/python2.6/sqlalchemy/sql/compiler.py", line 809, in __init__
    super(SchemaGenerator, self).__init__(connection, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'populate_default'