def init_history(self):
    'Sets up the command history, and starts regular autosaves.'
    self.history_manager = HistoryManager(shell=self, parent=self)
    self.configurables.append(self.history_manager)
Sets up the command history, and starts regular autosaves.
def init_history(self):
    
    self.history_manager = HistoryManager(shell=self, parent=self)
    self.configurables.append(self.history_manager)