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Jupyterlab-lsp Error: Uncaught Exception GET /lsp/ws/pyls (::1) #1067

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HMiao-Ian opened this issue Mar 5, 2024 · 5 comments · Fixed by #1069
Closed

Jupyterlab-lsp Error: Uncaught Exception GET /lsp/ws/pyls (::1) #1067

HMiao-Ian opened this issue Mar 5, 2024 · 5 comments · Fixed by #1069

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@HMiao-Ian
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HMiao-Ian commented Mar 5, 2024 •
edited
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Description

I have installed Miniconda in my Windows 10 operating system.

I want to use jupyterlab-lsp, so I just create a virtual environment named GitENV and
install required dependencies.

After installing dependencies, I use jupyter lab to open the jupyterlab. The Anaconda Prompt(Miniconda) shows error information.
The error information is in Command Line Output.

Reproduce

  1. conda create -n GitENV python=3.10
  2. pip3 install jupyterlab==4.1.2
  3. pip3 install jedi==0.17.2
  4. pip3 install python-language-server==0.36.2
  5. pip3 install jupyterlab-lsp==5.1.0
  6. conda install nodejs=18.16.0

Expected behavior

I use commands above to install jupyterlab-lsp and python-language-server, and I expect I can use them wihout error information. But error occurred. And In jupyterlab webpage, the jupyterlab-lsp item at the bottom of the page shows connecting or initializing. It should be Initialized.
20240305095711

Context

  • Operating System and version: Windows 10, 20H2.
  • Browser and version: Chrome, 122.0.6261.95.
  • JupyterLab version: 4.1.2.
  • Language server and version: python-language-server, 0.36.2.
Required: installed server extensions 
Paste the output from running `jupyter server extension list` from the command line here.
You may want to sanitize the paths in the output.
Required: installed lab extensions 
Paste the output from running `jupyter labextension list` from the command line here.
You may want to sanitize the paths in the output.
Troubleshoot Output 
sys.executable:
        D:\Yann\miniconda3\envs\GitENV\python.exe

sys.version:

3.10.13 | packaged by conda-forge | (main, Dec 23 2023, 15:27:34) [MSC v.1937 64 bit (AMD64)]


platform.platform():

Windows-10-10.0.19042-SP0


where jupyter:

D:\Yann\miniconda3\envs\GitENV\Scripts\jupyter.exe

D:\Yann\miniconda3\Scripts\jupyter.exe


pip list:

Package                   Version

------------------------- ---------------

anyio                     4.3.0

argon2-cffi               23.1.0

argon2-cffi-bindings      21.2.0

arrow                     1.3.0

asttokens                 2.4.1

async-lru                 2.0.4

attrs                     23.2.0

Babel                     2.14.0

beautifulsoup4            4.12.3

bleach                    6.1.0

certifi                   2024.2.2

cffi                      1.16.0

charset-normalizer        3.3.2

colorama                  0.4.6

comm                      0.2.1

debugpy                   1.8.1

decorator                 5.1.1

defusedxml                0.7.1

docstring-to-markdown     0.15

exceptiongroup            1.2.0

executing                 2.0.1

fastjsonschema            2.19.1

fqdn                      1.5.1

h11                       0.14.0

httpcore                  1.0.4

httpx                     0.27.0

idna                      3.6

ipykernel                 6.29.3

ipython                   8.22.2

isoduration               20.11.0

jedi                      0.17.2

Jinja2                    3.1.3

json5                     0.9.20

jsonpointer               2.4

jsonschema                4.21.1

jsonschema-specifications 2023.12.1

jupyter_client            8.6.0

jupyter_core              5.7.1

jupyter-events            0.9.0

jupyter-lsp               2.2.3

jupyter_server            2.13.0

jupyter_server_terminals  0.5.2

jupyterlab                4.1.2

jupyterlab-lsp            5.1.0

jupyterlab_pygments       0.3.0

jupyterlab_server         2.25.3

jupyterlab-vim            4.1.3

MarkupSafe                2.1.5

matplotlib-inline         0.1.6

mistune                   3.0.2

nbclient                  0.9.0

nbconvert                 7.16.1

nbformat                  5.9.2

nest-asyncio              1.6.0

notebook_shim             0.2.4

overrides                 7.7.0

packaging                 23.2

pandocfilters             1.5.1

parso                     0.7.1

pip                       24.0

platformdirs              4.2.0

pluggy                    1.4.0

prometheus_client         0.20.0

prompt-toolkit            3.0.43

psutil                    5.9.8

pure-eval                 0.2.2

pycparser                 2.21

Pygments                  2.17.2

python-dateutil           2.9.0.post0

python-json-logger        2.0.7

python-jsonrpc-server     0.4.0

python-language-server    0.36.2

python-lsp-jsonrpc        1.1.2

pywin32                   306

pywinpty                  2.0.13

PyYAML                    6.0.1

pyzmq                     25.1.2

referencing               0.33.0

requests                  2.31.0

rfc3339-validator         0.1.4

rfc3986-validator         0.1.1

rpds-py                   0.18.0

Send2Trash                1.8.2

setuptools                69.1.1

six                       1.16.0

sniffio                   1.3.1

soupsieve                 2.5

stack-data                0.6.3

terminado                 0.18.0

tinycss2                  1.2.1

tomli                     2.0.1

tornado                   6.4

traitlets                 5.14.1

types-python-dateutil     2.8.19.20240106

typing_extensions         4.10.0

ujson                     5.9.0

uri-template              1.3.0

urllib3                   2.2.1

wcwidth                   0.2.13

webcolors                 1.13

webencodings              0.5.1

websocket-client          1.7.0

wheel                     0.42.0


conda list:

# packages in environment at D:\Yann\miniconda3\envs\GitENV:

#

# Name                    Version                   Build  Channel

anyio                     4.3.0                    pypi_0    pypi

argon2-cffi               23.1.0                   pypi_0    pypi

argon2-cffi-bindings      21.2.0                   pypi_0    pypi

arrow                     1.3.0                    pypi_0    pypi

asttokens                 2.4.1                    pypi_0    pypi

async-lru                 2.0.4                    pypi_0    pypi

attrs                     23.2.0                   pypi_0    pypi

babel                     2.14.0                   pypi_0    pypi

beautifulsoup4            4.12.3                   pypi_0    pypi

bleach                    6.1.0                    pypi_0    pypi

bzip2                     1.0.8                hcfcfb64_5    conda-forge

ca-certificates           2024.2.2             h56e8100_0    conda-forge

certifi                   2024.2.2                 pypi_0    pypi

cffi                      1.16.0                   pypi_0    pypi

charset-normalizer        3.3.2                    pypi_0    pypi

colorama                  0.4.6                    pypi_0    pypi

comm                      0.2.1                    pypi_0    pypi

debugpy                   1.8.1                    pypi_0    pypi

decorator                 5.1.1                    pypi_0    pypi

defusedxml                0.7.1                    pypi_0    pypi

docstring-to-markdown     0.15                     pypi_0    pypi

exceptiongroup            1.2.0                    pypi_0    pypi

executing                 2.0.1                    pypi_0    pypi

fastjsonschema            2.19.1                   pypi_0    pypi

fqdn                      1.5.1                    pypi_0    pypi

h11                       0.14.0                   pypi_0    pypi

httpcore                  1.0.4                    pypi_0    pypi

httpx                     0.27.0                   pypi_0    pypi

icu                       73.2                 h63175ca_0    conda-forge

idna                      3.6                      pypi_0    pypi

ipykernel                 6.29.3                   pypi_0    pypi

ipython                   8.22.2                   pypi_0    pypi

isoduration               20.11.0                  pypi_0    pypi

jedi                      0.17.2                   pypi_0    pypi

jinja2                    3.1.3                    pypi_0    pypi

json5                     0.9.20                   pypi_0    pypi

jsonpointer               2.4                      pypi_0    pypi

jsonschema                4.21.1                   pypi_0    pypi

jsonschema-specifications 2023.12.1                pypi_0    pypi

jupyter-client            8.6.0                    pypi_0    pypi

jupyter-core              5.7.1                    pypi_0    pypi

jupyter-events            0.9.0                    pypi_0    pypi

jupyter-lsp               2.2.3                    pypi_0    pypi

jupyter-server            2.13.0                   pypi_0    pypi

jupyter-server-terminals  0.5.2                    pypi_0    pypi

jupyterlab                4.1.2                    pypi_0    pypi

jupyterlab-lsp            5.1.0                    pypi_0    pypi

jupyterlab-pygments       0.3.0                    pypi_0    pypi

jupyterlab-server         2.25.3                   pypi_0    pypi

jupyterlab-vim            4.1.3                    pypi_0    pypi

libffi                    3.4.2                h8ffe710_5    conda-forge

libsqlite                 3.45.1               hcfcfb64_0    conda-forge

libzlib                   1.2.13               hcfcfb64_5    conda-forge

markupsafe                2.1.5                    pypi_0    pypi

matplotlib-inline         0.1.6                    pypi_0    pypi

mistune                   3.0.2                    pypi_0    pypi

nbclient                  0.9.0                    pypi_0    pypi

nbconvert                 7.16.1                   pypi_0    pypi

nbformat                  5.9.2                    pypi_0    pypi

nest-asyncio              1.6.0                    pypi_0    pypi

nodejs                    18.16.0              haa95532_1

notebook-shim             0.2.4                    pypi_0    pypi

openssl                   3.2.1                hcfcfb64_0    conda-forge

overrides                 7.7.0                    pypi_0    pypi

packaging                 23.2                     pypi_0    pypi

pandocfilters             1.5.1                    pypi_0    pypi

parso                     0.7.1                    pypi_0    pypi

pip                       24.0               pyhd8ed1ab_0    conda-forge

platformdirs              4.2.0                    pypi_0    pypi

pluggy                    1.4.0                    pypi_0    pypi

prometheus-client         0.20.0                   pypi_0    pypi

prompt-toolkit            3.0.43                   pypi_0    pypi

psutil                    5.9.8                    pypi_0    pypi

pure-eval                 0.2.2                    pypi_0    pypi

pycparser                 2.21                     pypi_0    pypi

pygments                  2.17.2                   pypi_0    pypi

python                    3.10.13         h4de0772_1_cpython    conda-forge

python-dateutil           2.9.0.post0              pypi_0    pypi

python-json-logger        2.0.7                    pypi_0    pypi

python-jsonrpc-server     0.4.0                    pypi_0    pypi

python-language-server    0.36.2                   pypi_0    pypi

python-lsp-jsonrpc        1.1.2                    pypi_0    pypi

pywin32                   306                      pypi_0    pypi

pywinpty                  2.0.13                   pypi_0    pypi

pyyaml                    6.0.1                    pypi_0    pypi

pyzmq                     25.1.2                   pypi_0    pypi

referencing               0.33.0                   pypi_0    pypi

requests                  2.31.0                   pypi_0    pypi

rfc3339-validator         0.1.4                    pypi_0    pypi

rfc3986-validator         0.1.1                    pypi_0    pypi

rpds-py                   0.18.0                   pypi_0    pypi

send2trash                1.8.2                    pypi_0    pypi

setuptools                69.1.1             pyhd8ed1ab_0    conda-forge

six                       1.16.0                   pypi_0    pypi

sniffio                   1.3.1                    pypi_0    pypi

soupsieve                 2.5                      pypi_0    pypi

stack-data                0.6.3                    pypi_0    pypi

terminado                 0.18.0                   pypi_0    pypi

tinycss2                  1.2.1                    pypi_0    pypi

tk                        8.6.13               h5226925_1    conda-forge

tomli                     2.0.1                    pypi_0    pypi

tornado                   6.4                      pypi_0    pypi

traitlets                 5.14.1                   pypi_0    pypi

types-python-dateutil     2.8.19.20240106          pypi_0    pypi

typing-extensions         4.10.0                   pypi_0    pypi

tzdata                    2024a                h0c530f3_0    conda-forge

ucrt                      10.0.22621.0         h57928b3_0    conda-forge

ujson                     5.9.0                    pypi_0    pypi

uri-template              1.3.0                    pypi_0    pypi

urllib3                   2.2.1                    pypi_0    pypi

vc                        14.3                hcf57466_18    conda-forge

vc14_runtime              14.38.33130         h82b7239_18    conda-forge

vs2015_runtime            14.38.33130         hcb4865c_18    conda-forge

wcwidth                   0.2.13                   pypi_0    pypi

webcolors                 1.13                     pypi_0    pypi

webencodings              0.5.1                    pypi_0    pypi

websocket-client          1.7.0                    pypi_0    pypi

wheel                     0.42.0             pyhd8ed1ab_0    conda-forge

xz                        5.2.6                h8d14728_0    conda-forge


conda env:

name: GitENV

channels:

- conda-forge

- defaults

dependencies:

- bzip2=1.0.8=hcfcfb64_5

- ca-certificates=2024.2.2=h56e8100_0

- icu=73.2=h63175ca_0

- libffi=3.4.2=h8ffe710_5

- libsqlite=3.45.1=hcfcfb64_0

- libzlib=1.2.13=hcfcfb64_5

- nodejs=18.16.0=haa95532_1

- openssl=3.2.1=hcfcfb64_0

- pip=24.0=pyhd8ed1ab_0

- python=3.10.13=h4de0772_1_cpython

- setuptools=69.1.1=pyhd8ed1ab_0

- tk=8.6.13=h5226925_1

- tzdata=2024a=h0c530f3_0

- ucrt=10.0.22621.0=h57928b3_0

- vc=14.3=hcf57466_18

- vc14_runtime=14.38.33130=h82b7239_18

- vs2015_runtime=14.38.33130=hcb4865c_18

- wheel=0.42.0=pyhd8ed1ab_0

- xz=5.2.6=h8d14728_0

- pip:

- anyio==4.3.0

- argon2-cffi==23.1.0

- argon2-cffi-bindings==21.2.0

- arrow==1.3.0

- asttokens==2.4.1

- async-lru==2.0.4

- attrs==23.2.0

- babel==2.14.0

- beautifulsoup4==4.12.3

- bleach==6.1.0

- certifi==2024.2.2

- cffi==1.16.0

- charset-normalizer==3.3.2

- colorama==0.4.6

- comm==0.2.1

- debugpy==1.8.1

- decorator==5.1.1

- defusedxml==0.7.1

- docstring-to-markdown==0.15

- exceptiongroup==1.2.0

- executing==2.0.1

- fastjsonschema==2.19.1

- fqdn==1.5.1

- h11==0.14.0

- httpcore==1.0.4

- httpx==0.27.0

- idna==3.6

- ipykernel==6.29.3

- ipython==8.22.2

- isoduration==20.11.0

- jedi==0.17.2

- jinja2==3.1.3

- json5==0.9.20

- jsonpointer==2.4

- jsonschema==4.21.1

- jsonschema-specifications==2023.12.1

- jupyter-client==8.6.0

- jupyter-core==5.7.1

- jupyter-events==0.9.0

- jupyter-lsp==2.2.3

- jupyter-server==2.13.0

- jupyter-server-terminals==0.5.2

- jupyterlab==4.1.2

- jupyterlab-lsp==5.1.0

- jupyterlab-pygments==0.3.0

- jupyterlab-server==2.25.3

- jupyterlab-vim==4.1.3

- markupsafe==2.1.5

- matplotlib-inline==0.1.6

- mistune==3.0.2

- nbclient==0.9.0

- nbconvert==7.16.1

- nbformat==5.9.2

- nest-asyncio==1.6.0

- notebook-shim==0.2.4

- overrides==7.7.0

- packaging==23.2

- pandocfilters==1.5.1

- parso==0.7.1

- platformdirs==4.2.0

- pluggy==1.4.0

- prometheus-client==0.20.0

- prompt-toolkit==3.0.43

- psutil==5.9.8

- pure-eval==0.2.2

- pycparser==2.21

- pygments==2.17.2

- python-dateutil==2.9.0.post0

- python-json-logger==2.0.7

- python-jsonrpc-server==0.4.0

- python-language-server==0.36.2

- python-lsp-jsonrpc==1.1.2

- pywin32==306

- pywinpty==2.0.13

- pyyaml==6.0.1

- pyzmq==25.1.2

- referencing==0.33.0

- requests==2.31.0

- rfc3339-validator==0.1.4

- rfc3986-validator==0.1.1

- rpds-py==0.18.0

- send2trash==1.8.2

- six==1.16.0

- sniffio==1.3.1

- soupsieve==2.5

- stack-data==0.6.3

- terminado==0.18.0

- tinycss2==1.2.1

- tomli==2.0.1

- tornado==6.4

- traitlets==5.14.1

- types-python-dateutil==2.8.19.20240106

- typing-extensions==4.10.0

- ujson==5.9.0

- uri-template==1.3.0

- urllib3==2.2.1

- wcwidth==0.2.13

- webcolors==1.13

- webencodings==0.5.1

- websocket-client==1.7.0

prefix: D:\Yann\miniconda3\envs\GitENV

Command Line Output 
[I 2024-03-05 09:50:17.833 ServerApp] jupyter_lsp | extension was successfully linked.
[I 2024-03-05 09:50:17.845 ServerApp] jupyter_server_terminals | extension was successfully linked.
[I 2024-03-05 09:50:17.860 ServerApp] jupyterlab | extension was successfully linked.
[I 2024-03-05 09:50:18.313 ServerApp] notebook_shim | extension was successfully linked.
[I 2024-03-05 09:50:18.353 ServerApp] notebook_shim | extension was successfully loaded.
[I 2024-03-05 09:50:18.356 ServerApp] jupyter_lsp | extension was successfully loaded.
[I 2024-03-05 09:50:18.357 ServerApp] jupyter_server_terminals | extension was successfully loaded.
[I 2024-03-05 09:50:18.363 LabApp] JupyterLab extension loaded from D:\Yann\miniconda3\envs\GitENV\lib\site-packages\jupyterlab
[I 2024-03-05 09:50:18.363 LabApp] JupyterLab application directory is D:\Yann\miniconda3\envs\GitENV\share\jupyter\lab
[I 2024-03-05 09:50:18.364 LabApp] Extension Manager is 'pypi'.
[I 2024-03-05 09:50:18.721 ServerApp] jupyterlab | extension was successfully loaded.
[I 2024-03-05 09:50:18.722 ServerApp] Serving notebooks from local directory: D:\Yann
[I 2024-03-05 09:50:18.722 ServerApp] Jupyter Server 2.13.0 is running at:
[I 2024-03-05 09:50:18.723 ServerApp] http://localhost:8888/lab?token=5e7b45596aff9b76480d35b1da0a299be350c947149dc7e7
[I 2024-03-05 09:50:18.723 ServerApp]     http://127.0.0.1:8888/lab?token=5e7b45596aff9b76480d35b1da0a299be350c947149dc7e7
[I 2024-03-05 09:50:18.724 ServerApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 2024-03-05 09:50:18.811 ServerApp]

To access the server, open this file in a browser:
    file:///C:/Users/Administrator/AppData/Roaming/jupyter/runtime/jpserver-15820-open.html
Or copy and paste one of these URLs:
    http://localhost:8888/lab?token=5e7b45596aff9b76480d35b1da0a299be350c947149dc7e7
    http://127.0.0.1:8888/lab?token=5e7b45596aff9b76480d35b1da0a299be350c947149dc7e7



[I 2024-03-05 09:50:20.397 ServerApp] Skipped non-installed server(s): bash-language-server, dockerfile-language-server-nodejs, javascript-typescript-langserver, jedi-language-server, julia-language-server, pyright, python-lsp-server, r-languageserver, sql-language-server, texlab, typescript-language-server, unified-language-server, vscode-css-languageserver-bin, vscode-html-languageserver-bin, vscode-json-languageserver-bin, yaml-language-server

[I 2024-03-05 09:50:21.823 LabApp] Build is up to date

[I 2024-03-05 09:50:37.387 ServerApp] Kernel started: a7aa6faa-8da2-41c8-af31-f4791c40f60e

[I 2024-03-05 09:50:38.481 ServerApp] Connecting to kernel a7aa6faa-8da2-41c8-af31-f4791c40f60e.

[I 2024-03-05 09:50:38.492 ServerApp] Connecting to kernel a7aa6faa-8da2-41c8-af31-f4791c40f60e.

[I 2024-03-05 09:50:38.508 ServerApp] Connecting to kernel a7aa6faa-8da2-41c8-af31-f4791c40f60e.

[E 2024-03-05 09:50:38.559 ServerApp] Uncaught exception GET /lsp/ws/pyls (::1)

HTTPServerRequest(protocol='http', host='localhost:8888', method='GET', uri='/lsp/ws/pyls', version='HTTP/1.1', remote_ip='::1')

Traceback (most recent call last):

File "D:\Yann\miniconda3\envs\GitENV\lib\site-packages\tornado\web.py", line 1767, in _execute

result = self.prepare()

File "D:\Yann\miniconda3\envs\GitENV\lib\site-packages\jupyter_server\base\websocket.py", line 121, in prepare

return super().prepare(*args, **kwargs, _redirect_to_login=False)

TypeError: APIHandler.prepare() got an unexpected keyword argument '_redirect_to_login'

[W 2024-03-05 09:50:38.562 ServerApp] wrote error: 'Unhandled error'

Traceback (most recent call last):

File "D:\Yann\miniconda3\envs\GitENV\lib\site-packages\tornado\web.py", line 1767, in _execute

result = self.prepare()

File "D:\Yann\miniconda3\envs\GitENV\lib\site-packages\jupyter_server\base\websocket.py", line 121, in prepare

return super().prepare(*args, **kwargs, _redirect_to_login=False)

TypeError: APIHandler.prepare() got an unexpected keyword argument '_redirect_to_login'

[E 2024-03-05 09:50:38.565 ServerApp] {

"Host": "localhost:8888",

"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36"

}

[E 2024-03-05 09:50:38.565 ServerApp] 500 GET /lsp/ws/pyls (@::1) 8.01ms referer=None

[W 2024-03-05 09:50:38.567 ServerApp] Got events for closed stream <zmq.eventloop.zmqstream.ZMQStream object at 0x0000021E9CF74970>

[I 2024-03-05 09:56:38.624 ServerApp] Saving file at /Jupyterlab/test.ipynb

[I 2024-03-05 09:57:16.820 ServerApp] Starting buffering for a7aa6faa-8da2-41c8-af31-f4791c40f60e:b3d9964a-1054-4732-8d48-bf3e0147a36e

Browser Output (recommended for all interface issues) 
Paste the output from your browser JavaScript console replacing the text in here.

To learn how to open the developer tools in your browser:

https://developer.mozilla.org/en-US/docs/Learn/Common_questions/What_are_browser_developer_tools#How_to_open_the_devtools_in_your_browser

If too many messages accumulated after many hours of working in JupyterLab,

consider refreshing the window and then reproducing the bug to reduce the noise in the logs.
@krassowski
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For now you can downgrade to jupyter-server 2.12.0 which should temporarily solve the issue. We need to migrate the Websocket handler to work with the new feature in 2.13.0 or patch up jupyter-server - still to be decided.

@frenzymadness
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I have the same problem. I've tried to update jupyter-server in Fedora Linux but now jupyter-lsp fails to build/tests.

@krassowski krassowski mentioned this issue Mar 5, 2024
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@krassowski
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This should be solved by installing jupyter-lsp 2.2.4. Thanks for the report!

I've tried to update jupyter-server

I was suggesting downgrading, not upgrading ;)

@HMiao-Ian
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Thanks for your reply, @krassowski, I'll follow your suggestion.

@frenzymadness
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I was suggesting downgrading, not upgrading ;)

I know. I was reporting how I discovered the problem not complaining about the proposed solution :)

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Fix websocket handler and remove spurious config for old notebook server krassowski/jupyterlab-lsp
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@frenzymadness @krassowski @HMiao-Ian