ipython/ipykernel

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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

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284 open issues indexed

Suggestion: append info about code block number in filename Open

ipython/ipykernel#716 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Exception on ipc file cleanup resulting in socket leak Open

ipython/ipykernel#730 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
6.0.2: sphinx 4.0.3 warnings Open

ipython/ipykernel#732 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Error when upgrading to ipykernel 6 when using sphinx and jupyter-sphinx Open

ipython/ipykernel#740 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ContextVar not preserved when cell contains `await` Open

ipython/ipykernel#749 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
process_one catches wrong QueueEmpty exception type Open

ipython/ipykernel#751 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
tags naming. Open

ipython/ipykernel#760 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel==6.3.1 incompatible with pycharm Open

ipython/ipykernel#764 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Issues with pythreejs with 6.4.0 Open

ipython/ipykernel#771 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel restarts with "Restarting kernel..." message Open

ipython/ipykernel#776 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Jupyter-Lab: Kernel is died and restarting while show matplotlib plots Open

ipython/ipykernel#777 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
`sys.stdout` has no attribute `buffer` Open

ipython/ipykernel#786 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Logs with logging package into terminal but not in jupyter notebook Open

ipython/ipykernel#789 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel 6.x breaks redirecting stdout Open

ipython/ipykernel#795 · 8 comments · 6 reactions · 0 assignees · Indexed Sep 17, 2026
kernel dies just after starting if matplotlib is installed, works fine if not. Open

bug

ipython/ipykernel#798 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
<debug_request> publish the <status:idle> while an <execute_request> is running Open

ipython/ipykernel#799 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
6.5.1: pytest is failing in one unit (only) Open

question

ipython/ipykernel#806 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Allow to launch the debugger with options for e.g. justMyCode Open

ipython/ipykernel#811 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipyparallel for ipykernel -- deprecated or what? Open

question

ipython/ipykernel#818 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Debugger stops working after interrupting kernel Open

ipython/ipykernel#821 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Renamed default branch to main Open

maintenance

ipython/ipykernel#823 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
v6.3.0 introduced pkg_resources side effects Open

bug

ipython/ipykernel#824 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Use Enum for msg_types Open

ipython/ipykernel#833 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Kernel shutdown and restart Open

ipython/ipykernel#840 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
#621 Remanifesting on 6.6.1: TypeError: should_run_async() got an unexpected keyword argument 'transformed_cell' Open

ipython/ipykernel#842 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
KeyboardInterrupt not producing a failed request Open

ipython/ipykernel#845 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Verbose subprocess and c-library hangs with IPyKernel 6.x.x Open

ipython/ipykernel#847 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Breaking in StdLib while not stepping into Open

ipython/ipykernel#854 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ImportError: cannot import name 'filefind' from 'traitlets.utils' (/usr/lib/python3/dist-packages/traitlets/utils/init.py) Open

ipython/ipykernel#857 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
OutStream.close hangs if `watchfd=True` Open

ipython/ipykernel#868 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Can debugger forward "source" requests to debugpy? Open

ipython/ipykernel#870 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Cannot interrupt top-level coroutine Open

bug

ipython/ipykernel#881 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
subprocess stdout capture does not seem to work on Windows Open

ipython/ipykernel#882 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Adopting `pre-commit` and Auto Formatting Open

maintenance

ipython/ipykernel#890 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
`breakpoint()` not working Open

ipython/ipykernel#897 · 10 comments · 16 reactions · 0 assignees · Indexed Sep 17, 2026
Document debug_just_my_code trait Open

ipython/ipykernel#910 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
v6.9.2 breaks ipykernel for macOS arm64 due to psutil addition Open

ipython/ipykernel#918 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
No 'error' message type sent for cell execution errors Open

bug

ipython/ipykernel#923 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
RuntimeError: There is no current event loop in thread 'MainThread' Open

bug

ipython/ipykernel#929 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Missing dep on trio? Open

maintenance

ipython/ipykernel#930 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
can't import locust in jupyterlab Open

bug question

ipython/ipykernel#934 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel ignore signals Open

ipython/ipykernel#946 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Random test failures Open

ipython/ipykernel#947 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
IPyKernel throws cannot import name write_connection_file Open

ipython/ipykernel#967 · 6 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Problems with SVG rendering in IPython.display in Jupyter ipynb Open

ipython/ipykernel#969 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Unable to attach debugger after ipykernel/debugger.py gets imported Open

ipython/ipykernel#975 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Subprocess command with pipes exception Open

ipython/ipykernel#979 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
6.15.2: pytest is failing in `ipykernel/tests/test_debugger.py::test_stop_on_breakpoint` unit Open

ipython/ipykernel#981 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
cannot import ipykernel debugger in Pycharm debug mode Open

ipython/ipykernel#983 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel can start debugpy on an occupied port Open

ipython/ipykernel#988 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026

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