pycharm ipython控制台无法连接：ValueError: list.remove(x): x not in list

本文链接：https://blog.youkuaiyun.com/u011519550/article/details/90143027

本文描述了在Win10系统下使用PyCharm和Python3.6.2时，更新至ipython7.5.0后，遇到的控制台无法连接错误。通过回滚至ipython6.5.0，成功解决了问题。

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win10系统

python3.6.2

pycharm2017.1.1

安装完最新的ipython7.5.0后，控制台无法连接，报错：

Traceback (most recent call last):
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\pydevconsole.py", line 533, in <module>
pydevconsole.start_server(pydev_localhost.get_localhost(), int(port), int(client_port))
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\pydevconsole.py", line 359, in start_server
interpreter = InterpreterInterface(host, client_port, threading.currentThread())
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\_pydev_bundle\pydev_ipython_console.py", line 25, in __init__
self.interpreter = get_pydev_frontend(host, client_port, show_banner=show_banner)
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\_pydev_bundle\pydev_ipython_console_011.py", line 488, in get_pydev_frontend
_PyDevFrontEndContainer._instance = _PyDevFrontEnd(show_banner=show_banner)
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\_pydev_bundle\pydev_ipython_console_011.py", line 318, in __init__
self.ipython = PyDevTerminalInteractiveShell.instance()
File "C:\python3\lib\site-packages\traitlets\config\configurable.py", line 412, in instance
inst = cls(*args, **kwargs)
File "C:\python3\lib\site-packages\IPython\terminal\interactiveshell.py", line 459, in __init__
super(TerminalInteractiveShell, self).__init__(*args, **kwargs)
File "C:\python3\lib\site-packages\IPython\core\interactiveshell.py", line 676, in __init__
self.init_completer()
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\_pydev_bundle\pydev_ipython_console_011.py", line 243, in init_completer
self.Completer = self._new_completer_500()
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\_pydev_bundle\pydev_ipython_console_011.py", line 205, in _new_completer_500
parent=self
File "C:\Program Files\JetBrains\PyCharm 2017.1.1\helpers\pydev\_pydev_bundle\pydev_ipython_console_011.py", line 85, in __init__
self.matchers.remove(self.python_matches)
ValueError: list.remove(x): x not in list