pushbase.undo_step_handler¶ Classes¶ class UndoStepHandler(object)¶ Bases: object __init__(self, song)¶ _begin_step_with_client(self, client)¶ _end_step_with_client(self, client)¶ begin_undo_step(self, client)¶ end_undo_step(self, client)¶