Comment 10 for bug 1972112

Spyder 4.1.2 is broken in several other ways, too:
It keeps occasionally crashing with this issue:

  File "/usr/lib/python3/dist-packages/jupyter_client/manager.py", line 71, in wrapper
    out = await method(self, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/jupyter_client/manager.py", line 482, in _async_shutdown_kernel
    await ensure_async(self._kill_kernel())
  File "/usr/lib/python3/dist-packages/spyder/plugins/ipythonconsole/utils/manager.py", line 109, in _kill_kernel
    self.kernel.wait()
AttributeError: 'SpyderKernelManager' object has no attribute 'kernel'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/qtconsole/manager.py", line 27, in poll
    super().poll()
  File "/usr/lib/python3/dist-packages/jupyter_client/restarter.py", line 143, in poll
    self.kernel_manager.restart_kernel(now=True, newports=newports)
  File "/usr/lib/python3/dist-packages/jupyter_client/utils.py", line 26, in wrapped
    raise e
  File "/usr/lib/python3/dist-packages/jupyter_client/utils.py", line 23, in wrapped
    return loop.run_until_complete(future)
  File "/usr/lib/python3/dist-packages/nest_asyncio.py", line 81, in run_until_complete
    return f.result()
  File "/usr/lib/python3.10/asyncio/futures.py", line 201, in result
    raise self._exception
  File "/usr/lib/python3.10/asyncio/tasks.py", line 232, in __step
    result = coro.send(None)
  File "/usr/lib/python3/dist-packages/jupyter_client/manager.py", line 523, in _async_restart_kernel
    await ensure_async(self.shutdown_kernel(now=now, restart=True))
  File "/usr/lib/python3/dist-packages/jupyter_client/utils.py", line 26, in wrapped
    raise e
  File "/usr/lib/python3/dist-packages/jupyter_client/utils.py", line 23, in wrapped
    return loop.run_until_complete(future)
  File "/usr/lib/python3/dist-packages/nest_asyncio.py", line 81, in run_until_complete
    return f.result()
  File "/usr/lib/python3.10/asyncio/futures.py", line 201, in result
    raise self._exception
  File "/usr/lib/python3.10/asyncio/tasks.py", line 232, in __step
    result = coro.send(None)
  File "/usr/lib/python3/dist-packages/jupyter_client/manager.py", line 79, in wrapper
    raise e
  File "/usr/lib/python3/dist-packages/jupyter_client/manager.py", line 71, in wrapper
    out = await method(self, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/jupyter_client/manager.py", line 482, in _async_shutdown_kernel
    await ensure_async(self._kill_kernel())
  File "/usr/lib/python3/dist-packages/spyder/plugins/ipythonconsole/utils/manager.py", line 109, in _kill_kernel
    self.kernel.wait()
AttributeError: 'SpyderKernelManager' object has no attribute 'kernel'. Did you mean: 'ipykernel'?