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Plot isn't rendered when using %matplotlib widget

See original GitHub issue

Environment data

  • VS Code version: 1.66.2
  • Jupyter Extension version: v2022.3.1000901801
  • Python Extension version: v2022.4.1
  • OS and version: Linux (Fedora 35 / Kernel 5.16.18-200.fc35.x86_64)
  • Python: 3.10.4
  • Type of virtual environment used: N/A (python packages installed in the home directory)
  • Jupyter server running: Local

Expected behaviour

A plot of the sine function should appear.

Actual behaviour

No plot is produced and a VSCode notification with the following text appears.

Unable to find widget ‘jupyter-matplotlib’ version ‘1.0.0’ from configured widget sources [“jsdelivr.com”,“unpkg.com”]. Expected behavior may be affected. Click here for more information.

Steps to reproduce:

  1. Open a new notebook and fill the first cell with this snippet of code:
%matplotlib widget
import matplotlib.pyplot as plt
import numpy as np

X = np.linspace(0, 2*np.pi)
Y = np.sin(X)

fig, ax = plt.subplots()
ax.plot(X, Y)
fig.show()
  1. Run the cell.
  2. Make sure the mimetype of the output cell is set to ‘application/vnd.jupyter.widget-view+json’.

Logs

Output for Jupyter in the Output panel 

Visual Studio Code (1.66.2, undefined, desktop)
Jupyter Extension Version: 2022.3.1000901801.
Python Extension Version: 2022.4.1.
Workspace folder ~/Documents/Notebooks/Project
Info 10:31:53: ZMQ install verified.
Info 10:31:53: Preferred kernel connection found in cache .jvsc74a57bd0e7370f93d1d0cde622a1f8e1c04877d8463912d04d973331ad4851f04de6915a./bin/python./bin/python.-m#ipykernel_launcher
Info 10:31:53: PreferredConnection: .jvsc74a57bd0e7370f93d1d0cde622a1f8e1c04877d8463912d04d973331ad4851f04de6915a./bin/python./bin/python.-m#ipykernel_launcher found for NotebookDocument: ~/Documents/Notebooks/Project/bug.ipynb
Info 10:31:53: Early registration of controller for Kernel connection .jvsc74a57bd0e7370f93d1d0cde622a1f8e1c04877d8463912d04d973331ad4851f04de6915a./bin/python./bin/python.-m#ipykernel_launcher
Info 10:31:53: TargetController found ID: .jvsc74a57bd0e7370f93d1d0cde622a1f8e1c04877d8463912d04d973331ad4851f04de6915a./bin/python./bin/python.-m#ipykernel_launcher for document ~/Documents/Notebooks/Project/bug.ipynb
Info 10:31:53: Setting controller affinity for ~/Documents/Notebooks/Project/bug.ipynb .jvsc74a57bd0e7370f93d1d0cde622a1f8e1c04877d8463912d04d973331ad4851f04de6915a./bin/python./bin/python.-m#ipykernel_launcher
Info 10:31:53: Getting activation commands for /bin/python are not cached. May take a while.
Info 10:31:53: Experiment status for python is {"enabled":true,"optInto":[],"optOutFrom":[]}
Info 10:31:54: Setting setActiveController for ~/Documents/Notebooks/Project/bug.ipynb
Info 10:31:54: KernelProvider switched kernel to id = .jvsc74a57bd0e7370f93d1d0cde622a1f8e1c04877d8463912d04d973331ad4851f04de6915a./bin/python./bin/python.-m#ipykernel_launcher
Info 10:31:54: Starting Notebook in kernel.ts id = .jvsc74a57bd0e7370f93d1d0cde622a1f8e1c04877d8463912d04d973331ad4851f04de6915a./bin/python./bin/python.-m#ipykernel_launcher for ~/Documents/Notebooks/Project/bug.ipynb
Info 10:31:54: Creating raw notebook for ~/Documents/Notebooks/Project/bug.ipynb
Info 10:31:54: Getting preferred kernel for ~/Documents/Notebooks/Project/bug.ipynb
Info 10:31:54: Computing working directory ~/Documents/Notebooks/Project/bug.ipynb
Info 10:31:54: Creating controller for jupyter-notebook with interpreter /bin/python
Info 10:31:54: Starting raw kernel Python 3.10.4 64-bit for interpreter /bin/python
Info 10:31:54: Kernel launching with ports 9000,9001,9002,9003,9004. Start port is 9000
Info 10:31:54: Process Execution: > /bin/python -m pip list
> /bin/python -m pip list
Info 10:31:54: Process Execution: > /bin/python -c "import ipykernel; print(ipykernel.__version__); print("5dc3a68c-e34e-4080-9c3e-2a532b2ccb4d"); print(ipykernel.__file__)"
> /bin/python -c "import ipykernel; print(ipykernel.__version__); print("5dc3a68c-e34e-4080-9c3e-2a532b2ccb4d"); print(ipykernel.__file__)"
Info 10:31:54: Process Execution: > /bin/python -m ipykernel_launcher --ip=127.0.0.1 --stdin=9003 --control=9001 --hb=9000 --Session.signature_scheme="hmac-sha256" --Session.key=b"9f49a9fe-d4ea-43d2-9f31-2b73d225285b" --shell=9002 --transport="tcp" --iopub=9004 --f=/tmp/tmp-110953SLuqemi57zrY.json
> /bin/python -m ipykernel_launcher --ip=127.0.0.1 --stdin=9003 --control=9001 --hb=9000 --Session.signature_scheme="hmac-sha256" --Session.key=b"9f49a9fe-d4ea-43d2-9f31-2b73d225285b" --shell=9002 --transport="tcp" --iopub=9004 --f=/tmp/tmp-110953SLuqemi57zrY.json
Info 10:31:54: Process Execution: cwd: ~/Documents/Notebooks/Project
cwd: ~/Documents/Notebooks/Project
Info 10:31:55: ipykernel version 6.12.1 for /bin/python
Info 10:31:55: ipykernel location ~/.local/lib/python3.10/site-packages/ipykernel/__init__.py for /bin/python
Info 10:31:55: Registering dummy command feature
Info 10:31:56: Execute Cells request 0
Info 10:31:56: Execute Cell 0 ~/Documents/Notebooks/Project/bug.ipynb
Warn 10:31:57: StdErr from Kernel Process /home/mojert/.local/lib/python3.10/site-packages/traitlets/traitlets.py:2202: FutureWarning: Supporting extra quotes around strings is deprecated in traitlets 5.0. You can use 'hmac-sha256' instead of '"hmac-sha256"' if you require traitlets >=5.
  warn(

Warn 10:31:57: StdErr from Kernel Process /home/mojert/.local/lib/python3.10/site-packages/traitlets/traitlets.py:2157: FutureWarning: Supporting extra quotes around Bytes is deprecated in traitlets 5.0. Use '9f49a9fe-d4ea-43d2-9f31-2b73d225285b' instead of 'b"9f49a9fe-d4ea-43d2-9f31-2b73d225285b"'.
  warn(

Info 10:31:57: Kernel Output: NOTE: When using the `ipython kernel` entry point, Ctrl-C will not work.

To exit, you will have to explicitly quit this process, by either sending
"quit" from a client, or using Ctrl-\ in UNIX-like environments.

To read more about this, see https://github.com/ipython/ipython/issues/2049


To connect another client to this kernel, use:
    --existing /tmp/tmp-110953SLuqemi57zrY.json

Info 10:31:57: Raw session started and connected
Started kernel Python 3.10.4 64-bit
Info 10:31:57: Finished connecting f88ad274-04ce-4013-8a59-1eb36961faa2
Info 10:31:57: UpdateWorkingDirectoryAndPath in Kernel
Info 10:31:57: Executing silently Code (idle) = import site\nsite.addsitedir(site.getusersitepackages())\nimport os\nimport sys\n%cd "/home/mojert/Docum
Info 10:31:57: Executing silently Code (completed) = import site\nsite.addsitedir(site.getusersitepackages())\nimport os\nimport sys\n%cd "/home/mojert/Docum
Info 10:31:57: Waiting for idle on (kernel): 2a3045eb-654b-4cdf-ac84-5967784e770e -> idle
Info 10:31:57: Finished waiting for idle on (kernel): 2a3045eb-654b-4cdf-ac84-5967784e770e -> idle
Info 10:31:59: Fetch Script for {"moduleName":"jupyter-matplotlib","moduleVersion":"1.0.0"}
Info 10:31:59: Fetch Script for jupyter-matplotlib
Info 10:31:59: Searching for Widget Script jupyter-matplotlib#1.0.0 at path: /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/tmp/scripts/7a8ce27b5d663aa9fab36b9a83e0f31e6d82b113be83ff8be560dfb88a158497/index.js
Info 10:31:59: Widget Script jupyter-matplotlib#1.0.0 searching
Info 10:31:59: Downloading from CDN https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js into /tmp/tmp-110953TfMIs2xZm73l.js
Info 10:32:00: Downloading from CDN https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index into /tmp/tmp-1109537Af2ZS5fjET0.js
Info 10:32:00: Cell 0 executed with state Success
Info 10:32:00: Error downloading from https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
	at EventEmitter.emit (node:events:390:28)
	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
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	at processImmediate (node:internal/timers:464:21)] {
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Info 10:32:00: Downloading from CDN https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index into /tmp/tmp-1109537Af2ZS5fjET0.js
Info 10:32:00: Error downloading from https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
	at EventEmitter.emit (node:events:390:28)
	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
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  protocol: 'https:',
  url: 'https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js',
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Info 10:32:00: Downloading from CDN https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js into /tmp/tmp-110953TfMIs2xZm73l.js
Info 10:32:01: Error downloading from https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
	at EventEmitter.emit (node:events:390:28)
	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
  host: 'unpkg.com',
  hostname: 'unpkg.com',
  method: 'GET',
  path: '/jupyter-matplotlib@1.0.0/dist/index',
  protocol: 'https:',
  url: 'https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index',
  statusCode: 404,
  statusMessage: 'Not Found',
  headers: {
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Info 10:32:01: Downloading from CDN https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index into /tmp/tmp-1109537Af2ZS5fjET0.js
Info 10:32:01: Error downloading from https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
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	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
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Info 10:32:01: Error downloading from https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
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	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
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Info 10:32:01: Downloading from CDN https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index into /tmp/tmp-1109537Af2ZS5fjET0.js
Info 10:32:01: Error downloading from https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
	at EventEmitter.emit (node:events:390:28)
	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
  host: 'cdn.jsdelivr.net',
  hostname: 'cdn.jsdelivr.net',
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  url: 'https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js',
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Info 10:32:01: Downloading from CDN https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js into /tmp/tmp-110953TfMIs2xZm73l.js
Info 10:32:01: Error downloading from https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
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	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
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  path: '/jupyter-matplotlib@1.0.0/dist/index',
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Info 10:32:01: Downloading from CDN https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index into /tmp/tmp-1109537Af2ZS5fjET0.js
Info 10:32:01: Error downloading from https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
	at EventEmitter.emit (node:events:390:28)
	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
  host: 'cdn.jsdelivr.net',
  hostname: 'cdn.jsdelivr.net',
  method: 'GET',
  path: '/npm/jupyter-matplotlib@1.0.0/dist/index.js',
  protocol: 'https:',
  url: 'https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js',
  statusCode: 404,
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Info 10:32:01: Downloading from CDN https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js into /tmp/tmp-110953TfMIs2xZm73l.js
Info 10:32:01: Error downloading from https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
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	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
  host: 'cdn.jsdelivr.net',
  hostname: 'cdn.jsdelivr.net',
  method: 'GET',
  path: '/npm/jupyter-matplotlib@1.0.0/dist/index.js',
  protocol: 'https:',
  url: 'https://cdn.jsdelivr.net/npm/jupyter-matplotlib@1.0.0/dist/index.js',
  statusCode: 404,
  statusMessage: 'Not Found',
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Info 10:32:01: Error downloading from https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index:  [a [HTTPError]: Response code 404 (Not Found)
	at EventEmitter.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2539074)
	at EventEmitter.emit (node:events:390:28)
	at /home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536765
	at Immediate.<anonymous> (/home/mojert/.vscode/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:2536855)
	at processImmediate (node:internal/timers:464:21)] {
  host: 'unpkg.com',
  hostname: 'unpkg.com',
  method: 'GET',
  path: '/jupyter-matplotlib@1.0.0/dist/index',
  protocol: 'https:',
  url: 'https://unpkg.com/jupyter-matplotlib@1.0.0/dist/index',
  statusCode: 404,
  statusMessage: 'Not Found',
  headers: {
    date: 'Sun, 17 Apr 2022 08:32:01 GMT',
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Error 10:32:01: Script source for Widget jupyter-matplotlib@1.0.0 not found
Info 10:32:01: Script for jupyter-matplotlib, is undefined from undefined
Info 10:32:01: Fetch Script for {"moduleName":"jupyter-matplotlib","moduleVersion":"1.0.0"}
Info 10:32:01: Fetch Script for jupyter-matplotlib
Error 10:32:01: Script source for Widget jupyter-matplotlib@1.0.0 not found
Info 10:32:01: Script for jupyter-matplotlib, is undefined from undefined
Info 10:32:01: Fetch Script for {"moduleName":"jupyter-matplotlib","moduleVersion":"1.0.0"}
Info 10:32:01: Fetch Script for jupyter-matplotlib
Error 10:32:01: Script source for Widget jupyter-matplotlib@1.0.0 not found
Info 10:32:01: Script for jupyter-matplotlib, is undefined from undefined
Error 10:32:01: Widget load failure [object Object] {
  className: 'MPLCanvasModel',
  moduleName: 'jupyter-matplotlib',
  moduleVersion: '1.0.0',
  cdnsUsed: false,
  isOnline: true,
  timedout: false,
  error: {}
}
Error 10:32:01: Widget load failure [object Object] {
  className: 'ToolbarModel',
  moduleName: 'jupyter-matplotlib',
  moduleVersion: '1.0.0',
  cdnsUsed: false,
  isOnline: true,
  timedout: false,
  error: {}
}
Error 10:32:01: Widget load failure [object Object] {
  className: 'ToolbarModel',
  moduleName: 'jupyter-matplotlib',
  moduleVersion: '1.0.0',
  cdnsUsed: false,
  isOnline: true,
  timedout: false,
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}

Issue Analytics

  • State:closed
  • Created a year ago
  • Comments:7 (1 by maintainers)

github_iconTop GitHub Comments

1reaction
Mojertcommented, Apr 25, 2022

It also works in vscode (I have just tested it).

This solves my issue, thank you very much !

0reactions
martinRenoucommented, Apr 25, 2022

This is the expected behavior, it behaves like the inline backend does in Jupyter. plt.plot(X, Y) shows the figure once, plt.show() shows it a second time.

If you don’t want to see the text repr, you can add a ; at the end of your cell (works on Jupyter Notebook and JupyterLab but I have not tested it in vscode):

%matplotlib widget
import matplotlib.pyplot as plt
import numpy as np

fig = plt.figure()
plt.plot(np.sin(np.linspace(0, 20, 100)));
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