我在启动Jupyter并尝试打开或创建笔记本时遇到500:内部服务器错误。我在这里检查了多个线程，但都不起作用。我还试着从PyCharm和命令行进行安装、重新安装和安装。我也使用了Juypter官方网站上的步骤。我用pip安装它，而不是conda(我的解释器是3.6(。我运行了故障排除命令。这是我的输出：
C:UsersUser>jupyter troubleshoot
$PATH:
c:program filespython36libsite-packagespywin32_system32
C:Program Files (x86)Common FilesIntelShared Librariesredistintel64compiler
C:Program FilesNVIDIA GPU Computing ToolkitCUDAv10.1bin
C:Program FilesNVIDIA GPU Computing ToolkitCUDAv10.1libnvvp
C:Program FilesPython36Scripts
C:Program FilesPython36
C:Program FilesNVIDIA GPU Computing ToolkitCUDAv11.1bin
C:Program FilesNVIDIA GPU Computing ToolkitCUDAv11.1libnvvp
C:Windowssystem32
C:Windows
C:WindowsSystem32Wbem
C:WindowsSystem32WindowsPowerShellv1.0
C:WindowsSystem32OpenSSH
C:Program Files (x86)NVIDIA CorporationPhysXCommon
C:Program FilesNVIDIA CorporationNVIDIA NGX
C:Program FilesNVIDIA CorporationNVIDIA NvDLISR
C:WINDOWSsystem32
C:WINDOWS
C:WINDOWSSystem32Wbem
C:WINDOWSSystem32WindowsPowerShellv1.0
C:WINDOWSSystem32OpenSSH
C:Program FilesNVIDIA CorporationNsight Compute 2019.1
C:ProgramDatachocolateybin
C:UsersUserAppDataLocalMicrosoftWindowsApps
C:Program FilesJetBrainsPyCharm 2020.2.4bin
sys.path:
C:Program FilesPython36Scriptsjupyter-troubleshoot.EXE
c:program filespython36python36.zip
c:program filespython36DLLs
c:program filespython36lib
c:program filespython36
C:UsersUserAppDataRoamingPythonPython36site-packages
c:program filespython36libsite-packages
c:program filespython36libsite-packageswin32
c:program filespython36libsite-packageswin32lib
c:program filespython36libsite-packagesPythonwin
sys.executable:
c:program filespython36python.exe
sys.version:
3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)]
platform.platform():
Windows-10-10.0.17763-SP0
where jupyter:
C:Program FilesPython36Scriptsjupyter.exe
pip list:
Package Version
----------------------------- ----------
absl-py 0.11.0
alabaster 0.7.12
alembic 1.4.3
altair 4.1.0
argon2-cffi 20.1.0
astor 0.8.1
astunparse 1.6.3
async-generator 1.10
attrs 20.3.0
Babel 2.9.0
backcall 0.2.0
base58 2.0.1
bleach 3.2.1
blinker 1.4
blis 0.7.3
cached-property 1.5.2
cachetools 4.1.1
catalogue 1.0.0
certifi 2020.11.8
certipy 0.1.3
cffi 1.14.4
chardet 3.0.4
click 7.1.2
colorama 0.4.4
cryptography 3.3.1
cycler 0.10.0
cymem 2.0.4
decorator 4.4.2
defusedxml 0.6.0
dlatk 1.1.8
docutils 0.16
en-core-web-sm 2.3.1
entrypoints 0.3
gast 0.3.3
gitdb 4.0.5
GitPython 3.1.11
google-auth 1.23.0
google-auth-oauthlib 0.4.2
google-pasta 0.2.0
grpcio 1.33.2
h5py 2.10.0
ibm-cloud-sdk-core 1.7.3
ibm-watson 4.7.1
idna 2.10
imagesize 1.2.0
importlib-metadata 3.1.0
ipykernel 5.3.4
ipyparallel 6.3.0
ipython 7.16.1
ipython-genutils 0.2.0
ipywidgets 7.5.1
jedi 0.17.2
Jinja2 2.11.2
joblib 0.17.0
json5 0.9.5
jsonschema 3.2.0
jupyter-client 6.1.7
jupyter-core 4.7.0
jupyter-telemetry 0.1.0
jupyterhub 1.3.0
jupyterlab 2.2.9
jupyterlab-pygments 0.1.2
jupyterlab-server 1.2.0
Keras 2.3.1
Keras-Applications 1.0.8
Keras-Preprocessing 1.1.2
kiwisolver 1.3.1
Mako 1.1.3
Markdown 3.3.3
MarkupSafe 1.1.1
matplotlib 3.3.3
mistune 0.8.4
murmurhash 1.0.4
mysqlclient 2.0.1
nbclient 0.5.1
nbconvert 6.0.7
nbformat 5.0.8
nest-asyncio 1.4.3
nltk 3.5
nose 1.3.7
notebook 6.1.5
numpy 1.18.5
oauthlib 3.1.0
opencv-python 4.1.2.30
opt-einsum 3.3.0
packaging 20.7
pandas 0.25.3
pandocfilters 1.4.3
parso 0.7.1
pathtools 0.1.2
patsy 0.5.1
pickleshare 0.7.5
Pillow 8.0.1
pip 20.3.1
pip-autoremove 0.9.1
plac 1.1.3
plotly 4.13.0
preshed 3.0.4
prometheus-client 0.9.0
prompt-toolkit 3.0.3
protobuf 3.14.0
psutil 5.7.3
pyarrow 2.0.0
pyasn1 0.4.8
pyasn1-modules 0.2.8
pycparser 2.20
pydeck 0.5.0
Pygments 2.7.2
PyJWT 1.7.1
pyOpenSSL 20.0.0
pyparsing 2.4.7
pyrsistent 0.17.3
PySocks 1.7.1
python-dateutil 2.8.1
python-editor 1.0.4
python-json-logger 2.0.1
pytz 2020.4
pywin32 300
pywinpty 0.5.7
PyYAML 5.3.1
pyzmq 20.0.0
regex 2020.11.13
requests 2.25.0
requests-oauthlib 1.3.0
retrying 1.3.3
rsa 4.6
ruamel.yaml 0.16.12
ruamel.yaml.clib 0.2.2
scikit-learn 0.18.2
scipy 1.5.4
Send2Trash 1.5.0
setuptools 50.3.2
six 1.15.0
sklearn 0.0
smmap 3.0.4
snowballstemmer 2.0.0
spacy 2.3.4
Sphinx 3.3.1
sphinxcontrib-applehelp 1.0.2
sphinxcontrib-devhelp 1.0.2
sphinxcontrib-htmlhelp 1.0.3
sphinxcontrib-jsmath 1.0.1
sphinxcontrib-qthelp 1.0.3
sphinxcontrib-serializinghtml 1.1.4
SQLAlchemy 1.3.20
srsly 1.0.4
statsmodels 0.12.1
streamlit 0.72.0
tensorboard 2.4.0
tensorboard-plugin-wit 1.7.0
tensorflow 2.3.1
tensorflow-estimator 2.3.0
tensorflow-gpu-estimator 2.3.0
termcolor 1.1.0
terminado 0.9.1
testpath 0.4.4
textblob 0.15.3
thinc 7.4.3
threadpoolctl 2.1.0
toml 0.10.2
toolz 0.11.1
tornado 6.1
tqdm 4.54.0
traitlets 4.3.3
tweepy 3.9.0
tzlocal 2.1
urllib3 1.26.2
vaderSentiment 3.3.2
validators 0.18.1
wasabi 0.8.0
watchdog 0.10.4
wcwidth 0.2.5
webencodings 0.5.1
websocket-client 0.48.0
Werkzeug 1.0.1
wheel 0.36.0
widgetsnbextension 3.5.1
wrapt 1.12.1
zipp 3.4.0
在我的错误日志中，我发现了以下问题(由于文本限制，我无法在此处写入完整日志(：
[W 21:45:31.216 NotebookApp] Error loading server extension ipyparallel.nbextension
ModuleNotFoundError: No module named 'contextvars'
ImportError: cannot import name 'AsyncGenerator'
我建议您更新您的python版本。请确保您的jupyter安装是使用新版本而不是3.6.0运行的。