啟動spyder 之后，Ipython console 中Connecting to Kernel，出現錯誤，一直在連接，但是連接不上，Reset Spyder Settings 也解決不了問題。
Traceback (most recent call last):
File "F:\Anaconda_pakage\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "F:\Anaconda_pakage\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "F:\Anaconda_pakage\lib\site‑packages\spyder_kernels\console\__main__.py", line 3, in
start.main()
File "F:\Anaconda_pakage\lib\site‑packages\spyder_kernels\console\start.py", line 294, in main
kernel.start()
File "F:\Anaconda_pakage\lib\site‑packages\ipykernel\kernelapp.py", line 477, in start
ioloop.IOLoop.instance().start()
File "F:\Anaconda_pakage\lib\site‑packages\tornado\platform\asyncio.py", line 132, in start
self.asyncio_loop.run_forever()
File "F:\Anaconda_pakage\lib\asyncio\base_events.py", line 409, in run_forever
raise RuntimeError('This event loop is already running')
RuntimeError: This event loop is already running
ERROR:tornado.general:Uncaught exception in ZMQStream callback
Traceback (most recent call last):
.....
問題解決方法：
卸載 jupyter tornado
conda uninstall jupyter tornado
再重裝
conda install jupyter tornado
完美解決問題。
特別感謝 這篇文章的作者 https://blog.csdn.net/blueheart20/article/details/81636241