小编Tom*_*mer的帖子

我正在使用 jupyter notebook，它工作正常，但是当我按 TAB 时，自动完成不起作用。我已经在 StackOverflow 中检查了所有类似的情况，但没有一个解决方案对我有用。我还尝试对 IPython、IPYKernel、Jedi 和 Tornado 进行“pip 升级”，升级工作正常，但问题仍然存在。我在 Firefox、Chrome 和 Edge 中尝试过。当我按 TAB 时，我可以在终端中看到这些错误：

[IPKernelApp] ERROR | Exception in message handler:
Traceback (most recent call last):
  File "c:\users\tomer\appdata\local\programs\python\python39\lib\site-packages\ipykernel\kernelbase.py", line 265, in dispatch_shell
    yield gen.maybe_future(handler(stream, idents, msg))
  File "c:\users\tomer\appdata\local\programs\python\python39\lib\site-packages\tornado\gen.py", line 762, in run
    value = future.result()
  File "c:\users\tomer\appdata\local\programs\python\python39\lib\site-packages\tornado\gen.py", line 234, in wrapper
    yielded = ctx_run(next, result)
  File "c:\users\tomer\appdata\local\programs\python\python39\lib\site-packages\ipykernel\kernelbase.py", line 580, in complete_request
    matches = yield gen.maybe_future(self.do_complete(code, cursor_pos))
  File "c:\users\tomer\appdata\local\programs\python\python39\lib\site-packages\ipykernel\ipkernel.py", line 356, in do_complete
    return self._experimental_do_complete(code, cursor_pos)
  File …