Package: python3-zmq Version: 22.3.0-1 Severity: grave I have issues updating packages nbconvert and jupyterlab-server, both of which because of autopkgtest failures, with the similar-looking backtrace:
autopkgtest [08:13:59]: test autodep8-python3: [----------------------- Testing with python3.10: Traceback (most recent call last): File "<string>", line 1, in <module> File "/usr/lib/python3/dist-packages/nbconvert/__init__.py", line 4, in <module> from .exporters import * File "/usr/lib/python3/dist- packages/nbconvert/exporters/__init__.py", line 4, in <module> from .slides import SlidesExporter File "/usr/lib/python3/dist-packages/nbconvert/exporters/slides.py", line 12, in <module> from ..preprocessors.base import Preprocessor File "/usr/lib/python3/dist- packages/nbconvert/preprocessors/__init__.py", line 10, in <module> from .execute import ExecutePreprocessor File "/usr/lib/python3/dist- packages/nbconvert/preprocessors/execute.py", line 8, in <module> from nbclient import NotebookClient, execute as _execute File "/usr/lib/python3/dist-packages/nbclient/__init__.py", line 5, in <module> from .client import NotebookClient, execute # noqa: F401 File "/usr/lib/python3/dist-packages/nbclient/client.py", line 21, in <module> from jupyter_client import KernelManager File "/usr/lib/python3/dist-packages/jupyter_client/__init__.py", line 6, in <module> from .asynchronous import AsyncKernelClient # noqa File "/usr/lib/python3/dist- packages/jupyter_client/asynchronous/__init__.py", line 1, in <module> from .client import AsyncKernelClient # noqa File "/usr/lib/python3/dist- packages/jupyter_client/asynchronous/client.py", line 6, in <module> from jupyter_client.channels import HBChannel File "/usr/lib/python3/dist-packages/jupyter_client/channels.py", line 12, in <module> import zmq.asyncio File "/usr/lib/python3/dist-packages/zmq/__init__.py", line 103, in <module> from zmq import backend File "/usr/lib/python3/dist-packages/zmq/backend/__init__.py", line 32, in <module> raise original_error from None File "/usr/lib/python3/dist-packages/zmq/backend/__init__.py", line 27, in <module> _ns = select_backend(first) File "/usr/lib/python3/dist-packages/zmq/backend/select.py", line 32, in select_backend mod = import_module(name) File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "/usr/lib/python3/dist-packages/zmq/backend/cython/__init__.py", line 6, in <module> from . import ( ImportError: cannot import name 'constants' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import) (/usr/lib/python3/dist-packages/zmq/backend/cython/__init__.py) autopkgtest [08:14:00]: test autodep8-python3: -----------------------] The same error message is discussed here: https://github.com/zeromq/pyzmq/issues/1460 but it looks like the error message in fact hides the real issue... Cheers, J.Puydt