不久前，我开始在我的一个程序中使用它。从那时起，每当我在运行 python 的控制台（cmd.exe 实例）上键入 tab 键时，我都会收到 readline 内部错误。完整的回溯如下（请注意，我没有在此上下文中导入 cmd 模块，甚至没有使用它导入脚本。我只是启动了 python，按下了 Tab 键，然后出现异常）：
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Traceback (most recent call last):
File "C:\SP_CI_PROGRAMS\Languages\Python\3.6.1\lib\site-packages\pyreadline\console\console.py", line 768, in hook_wrapper_23
res = ensure_str(readline_hook(prompt))
File "C:\SP_CI_PROGRAMS\Languages\Python\3.6.1\lib\site-packages\pyreadline\rlmain.py", line 571, in readline
self._readline_from_keyboard()
File "C:\SP_CI_PROGRAMS\Languages\Python\3.6.1\lib\site-packages\pyreadline\rlmain.py", line 536, in _readline_from_keyboard
if self._readline_from_keyboard_poll():
File "C:\SP_CI_PROGRAMS\Languages\Python\3.6.1\lib\site-packages\pyreadline\rlmain.py", line 556, in _readline_from_keyboard_poll
result = self.mode.process_keyevent(event.keyinfo)
File "C:\SP_CI_PROGRAMS\Languages\Python\3.6.1\lib\site-packages\pyreadline\modes\emacs.py", line 243, in process_keyevent
r = self.process_keyevent_queue[-1](keyinfo)
File "C:\SP_CI_PROGRAMS\Languages\Python\3.6.1\lib\site-packages\pyreadline\modes\emacs.py", line 286, in _process_keyevent
r = dispatch_func(keyinfo)
File "C:\SP_CI_PROGRAMS\Languages\Python\3.6.1\lib\site-packages\pyreadline\modes\basemode.py", line 257, in complete
completions = self._get_completions()
File …