ipython/ipykernel

View on GitHub

IPython Kernel for Jupyter

Stars: 734
Forks: 411
Open beginner issues: 0
Indexed issues: 284
Avg merge: 1d 5h
Merged PRs (30d): 8

Dominant language: Python
License: BSD-3-Clause
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

284 open issues indexed

Handling a comms message has side effects Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ipython/ipykernel#432 · Opened Sep 12, 2019
How can I detect from labextension whether kernel is still alive? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#428 · 4 comments · Opened Sep 3, 2019
AttributeError: 'NoneType' object has no attribute 'thread' Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ipython/ipykernel#422 · 23 comments · 18 reactions · Opened Aug 8, 2019
Jupyter Notebook, The kernel appears to have died. It will restart automatically. Open

needs-info

Difficulty 5/5 Over a week Newbie friendliness 10/100

ipython/ipykernel#418 · 3 comments · Opened Jul 28, 2019
Adding support for activating conda environments in the kernel.json launch script? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#416 · 10 comments · 3 reactions · Opened Jul 23, 2019
ipykernel should not assume interactive terminal Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ipython/ipykernel#415 · Opened Jul 12, 2019
The kernel for Jupyter Notebook does not start Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ipython/ipykernel#413 · Opened Jun 19, 2019
New ipykernel has 55 threads. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ipython/ipykernel#407 · 3 comments · Opened May 28, 2019
Problem with accent Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ipython/ipykernel#404 · 3 comments · Opened May 25, 2019
AttributeError: 'SpyderKernel' object has no attribute 'app' when calling exit(<number>) in a script Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ipython/ipykernel#403 · Opened May 20, 2019
Tests: NameError: name 'dec' is not defined Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

ipython/ipykernel#397 · 3 comments · Opened Apr 9, 2019
Prepend PATH with environment's bin when loading kernel Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

ipython/ipykernel#395 · 3 comments · Opened Apr 3, 2019
kernel_info_reply contains `"status": "ok"` item in content Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ipython/ipykernel#393 · Opened Mar 17, 2019
How to setup Hydrogen in Atom? Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

ipython/ipykernel#392 · Opened Mar 2, 2019
async subprocess with live output (on Windows requires ProactorEventLoop which ipykernel doesn't use) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ipython/ipykernel#391 · 2 comments · 1 reaction · Opened Mar 1, 2019
Latest pytest requires python>=3.6 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#385 · Opened Jan 30, 2019
object_inspect may call user-defined functions that wedge the kernel Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ipython/ipykernel#383 · 1 comment · Opened Jan 25, 2019
DOC: Integrating with a new event loop in the kernel Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ipython/ipykernel#381 · Opened Jan 23, 2019
API for identifying overlaying frontend to help libraries interacting with the UI Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ipython/ipykernel#380 · 4 reactions · Opened Jan 11, 2019
ipykernel backend requires matplotlib>=2.0.0 Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

ipython/ipykernel#378 · Opened Dec 14, 2018
`concurrent.futures.ProcessPoolExecutor ` miss print Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ipython/ipykernel#373 · 2 comments · 1 reaction · Opened Nov 22, 2018
Error on launch - Kernel error ZMQError Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ipython/ipykernel#371 · Opened Nov 13, 2018
status 'aborted' instead of 'abort' Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ipython/ipykernel#367 · 2 comments · Opened Oct 24, 2018
cell line numbers fail to display for all executed cells Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ipython/ipykernel#366 · 1 comment · Opened Oct 18, 2018
How to limit len(comm.kernel.iopub_thread._events) when the notebook is not connected Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ipython/ipykernel#365 · 2 comments · Opened Oct 13, 2018
Tk event loop not working on Windows Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ipython/ipykernel#358 · 2 comments · Opened Oct 5, 2018
reorganize branches. Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

ipython/ipykernel#346 · Opened Sep 21, 2018
Enable tab completion after dictionary value Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ipython/ipykernel#343 · 1 reaction · Opened Sep 19, 2018
discuss multiple call to set_next_input Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#340 · 1 comment · Opened Sep 9, 2018
Uncaught exception in ZMQStream callback - ValueError: signal only works in main thread Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ipython/ipykernel#335 · 4 comments · Opened Aug 28, 2018
Memory Error: IOStream.Flush timed out Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ipython/ipykernel#334 · 26 comments · 8 reactions · Opened Aug 15, 2018
AttributeError: 'dict' object has no attribute 'plot' Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

ipython/ipykernel#333 · 1 comment · Opened Aug 13, 2018
ipykernel installs invalid kernel.json Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

ipython/ipykernel#332 · Opened Aug 10, 2018
How could I execute some code automatic after kernel ready Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#330 · 3 comments · Opened Jul 12, 2018
Method to block Jupyter continuing to next cell? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#329 · Opened Jul 8, 2018
ipykernel messes with signal handlers Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ipython/ipykernel#328 · Opened Jul 2, 2018
No Kernels Installed Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

ipython/ipykernel#327 · 1 comment · Opened Jun 22, 2018
Error running "python -m ipykernel install --user" Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

ipython/ipykernel#326 · Opened Jun 20, 2018
AttributeError: 'InProcessKernel' object has no attribute 'io_loop' Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ipython/ipykernel#319 · 2 comments · Opened Apr 6, 2018
chaining methods should be easier Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ipython/ipykernel#318 · 4 comments · 2 reactions · Opened Apr 2, 2018
import completion is unaware of pep 420 namespace packages. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ipython/ipykernel#312 · 2 reactions · Opened Feb 27, 2018
Blocking cell execution waiting for Widget interaction Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#311 · 3 comments · 6 reactions · Opened Feb 24, 2018
Very slow kernel (~30s) restart with asyncio and ProcessPoolExecutor Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ipython/ipykernel#291 · 2 comments · Opened Dec 19, 2017
Problem with HTML displaying in jupyter & ipykernel 4.7.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

ipython/ipykernel#289 · 4 comments · 1 reaction · Opened Dec 14, 2017
Order of stdout and stderr is messed up Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ipython/ipykernel#280 · 7 comments · 2 reactions · Opened Nov 22, 2017
matplotlib figures scale weirdly / can't get a nice small figure Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ipython/ipykernel#279 · 2 comments · Opened Nov 16, 2017
Kernel not respecting extensions/configuration Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ipython/ipykernel#273 · 2 comments · 2 reactions · Opened Oct 25, 2017
Serialize a dict with non-orderable keys Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

ipython/ipykernel#269 · 3 comments · Opened Sep 26, 2017
"ZMQError: Connection refused" errors happening in series Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ipython/ipykernel#266 · Opened Sep 22, 2017
Resource monitoring messages Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ipython/ipykernel#262 · 1 comment · 1 reaction · Opened Aug 27, 2017

ipython/ipykernel

Get new issues in your inbox