Kernel starting, please wait

JupyterHub discuss
1

I have been uninstalling/ reinstalling for different versions of Jupyter Notebook many times, and also downgrade tornado and reinstall Python, etc. No luck…Anyone can help?

[I 21:39:19.392 NotebookApp] Serving notebooks from local directory: C:\Users\Angus
[I 21:39:19.392 NotebookApp] Jupyter Notebook 6.3.0 is running at:
[I 21:39:19.392 NotebookApp] http://localhost:8888/
[I 21:39:19.392 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[W 21:39:26.804 NotebookApp] 404 GET /nbextensions/widgets/notebook/js/extension.js?v=20210329213919 (::1) 9.970000ms referer=http://localhost:8888/notebooks/NB_03_Deep_Learning.ipynb
[I 21:39:28.053 NotebookApp] Kernel started: 715c10a4-cdc9-472a-963a-8aa12ee0a482, name: python3
Traceback (most recent call last):
File “C:\Users\Angus\anaconda3\envs\nn\lib\runpy.py”, line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File “C:\Users\Angus\anaconda3\envs\nn\lib\runpy.py”, line 87, in run_code
exec(code, run_globals)
File “C:\Users\Angus\anaconda3\envs\nn\lib\site-packages\ipykernel_launcher.py”, line 15, in
from ipykernel import kernelapp as app
File "C:\Users\Angus\anaconda3\envs\nn\lib\site-packages\ipykernel_init.py", line 2, in
from .connect import *
File “C:\Users\Angus\anaconda3\envs\nn\lib\site-packages\ipykernel\connect.py”, line 10, in
from subprocess import Popen, PIPE
File “C:\Users\Angus\anaconda3\envs\nn\lib\subprocess.py”, line 51, in
import threading
File “C:\Users\Angus\threading.py”, line 173, in
class EvenNumbersThread(Thread):
NameError: name ‘Thread’ is not defined
[I 21:39:31.058 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports
Traceback (most recent call last):
File “C:\Users\Angus\anaconda3\envs\nn\lib\runpy.py”, line 194, in _run_module_as_main
return _run_code(code, main_globals, None,
File “C:\Users\Angus\anaconda3\envs\nn\lib\runpy.py”, line 87, in run_code
exec(code, run_globals)
File “C:\Users\Angus\anaconda3\envs\nn\lib\site-packages\ipykernel_launcher.py”, line 15, in
from ipykernel import kernelapp as app
File "C:\Users\Angus\anaconda3\envs\nn\lib\site-packages\ipykernel_init.py", line 2, in
from .connect import *
File “C:\Users\Angus\anaconda3\envs\nn\lib\site-packages\ipykernel\connect.py”, line 10, in
from subprocess import Popen, PIPE
File “C:\Users\Angus\anaconda3\envs\nn\lib\subprocess.py”, line 51, in
import threading
File “C:\Users\Angus\threading.py”, line 173, in
class EvenNumbersThread(Thread):
NameError: name ‘Thread’ is not defined