ipython/ipykernel

View on GitHub

IPython Kernel for Jupyter

Stars: 734
Forks: 412
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 14, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Open All

284 open issues indexed

How could I execute some code automatic after kernel ready Open

ipython/ipykernel#330 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel installs invalid kernel.json Open

ipython/ipykernel#332 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
AttributeError: 'dict' object has no attribute 'plot' Open

ipython/ipykernel#333 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Memory Error: IOStream.Flush timed out Open

ipython/ipykernel#334 · 26 comments · 8 reactions · 0 assignees · Indexed Sep 17, 2026
Uncaught exception in ZMQStream callback - ValueError: signal only works in main thread Open

ipython/ipykernel#335 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
discuss multiple call to set_next_input Open

ipython/ipykernel#340 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Enable tab completion after dictionary value Open

ipython/ipykernel#343 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
reorganize branches. Open

ipython/ipykernel#346 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tk event loop not working on Windows Open

ipython/ipykernel#358 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
How to limit len(comm.kernel.iopub_thread._events) when the notebook is not connected Open

ipython/ipykernel#365 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
cell line numbers fail to display for all executed cells Open

ipython/ipykernel#366 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
status 'aborted' instead of 'abort' Open

ipython/ipykernel#367 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Error on launch - Kernel error ZMQError Open

ipython/ipykernel#371 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
`concurrent.futures.ProcessPoolExecutor ` miss print Open

ipython/ipykernel#373 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
ipykernel backend requires matplotlib>=2.0.0 Open

ipython/ipykernel#378 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
API for identifying overlaying frontend to help libraries interacting with the UI Open

ipython/ipykernel#380 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 17, 2026
DOC: Integrating with a new event loop in the kernel Open

ipython/ipykernel#381 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
object_inspect may call user-defined functions that wedge the kernel Open

ipython/ipykernel#383 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Latest pytest requires python>=3.6 Open

ipython/ipykernel#385 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
async subprocess with live output (on Windows requires ProactorEventLoop which ipykernel doesn't use) Open

ipython/ipykernel#391 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
How to setup Hydrogen in Atom? Open

ipython/ipykernel#392 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
kernel_info_reply contains `"status": "ok"` item in content Open

bug

ipython/ipykernel#393 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Prepend PATH with environment's bin when loading kernel Open

ipython/ipykernel#395 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tests: NameError: name 'dec' is not defined Open

ipython/ipykernel#397 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
AttributeError: 'SpyderKernel' object has no attribute 'app' when calling exit(<number>) in a script Open

ipython/ipykernel#403 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Problem with accent Open

ipython/ipykernel#404 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
New ipykernel has 55 threads. Open

ipython/ipykernel#407 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
The kernel for Jupyter Notebook does not start Open

ipython/ipykernel#413 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel should not assume interactive terminal Open

ipython/ipykernel#415 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Adding support for activating conda environments in the kernel.json launch script? Open

ipython/ipykernel#416 · 10 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Jupyter Notebook, The kernel appears to have died. It will restart automatically. Open

needs-info

ipython/ipykernel#418 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
AttributeError: 'NoneType' object has no attribute 'thread' Open

ipython/ipykernel#422 · 23 comments · 18 reactions · 0 assignees · Indexed Sep 17, 2026
How can I detect from labextension whether kernel is still alive? Open

ipython/ipykernel#428 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Handling a comms message has side effects Open

ipython/ipykernel#432 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
5 tests fail Open

ipython/ipykernel#436 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Embedding Example Bug? Open

ipython/ipykernel#440 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Interrupt kernel doesn't work in c code Open

ipython/ipykernel#449 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Cannot install from sourcedist Open

ipython/ipykernel#450 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Error starting an ipykernel without ipywidgets installed Open

ipython/ipykernel#451 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
thread waiting for input survives the end of execution Open

ipython/ipykernel#452 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
jupyter notebook: Unrecognized flag: '--existing' Open

ipython/ipykernel#453 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
IPykernel breaking pipenv virtual env on python 3.7.2 Open

ipython/ipykernel#455 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tab completion not working in same cell Open

ipython/ipykernel#457 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
%matplotlib notebook magic crashes Google File Stream in Windows 10 Open

ipython/ipykernel#458 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
GUI integration in Jupyter notebook with do_one_iteration does not work Open

ipython/ipykernel#460 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Should kernel restart interrupt running code? Open

ipython/ipykernel#462 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Windows and Python 3.8: IOPubThread, add_reader, NotImplementedError Open

ipython/ipykernel#468 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ZMQInteractiveShell.data_pub_class and datapub deprecation Open

ipython/ipykernel#469 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Encountered "ValueError: I/O operation on closed file" in kernelbase.py Open

ipython/ipykernel#470 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Broken tests on macOS Open

ipython/ipykernel#471 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

ipython/ipykernel

Get new issues in your inbox