Package: python3-zmq Version: 17.1.2-3 Severity: normal Dear Maintainer,
Maybe I'm missing some important point and maybe this does not concern python3-zmq, I report my issue anyway. Just after successfull "aptitude install pypy3" I tried to (system-wise) install ipython kernel for pypy3 and got the error below reported. # pypy3 -m ipykernel install -name pypy3 -display-name PyPy3 && echo OK Traceback (most recent call last): File "/usr/lib/pypy3/lib-python/3/runpy.py", line 183, in _run_module_as_main mod_name, mod_spec, code = _get_module_details(mod_name, _Error) File "/usr/lib/pypy3/lib-python/3/runpy.py", line 142, in _get_module_details return _get_module_details(pkg_main_name, error) File "/usr/lib/pypy3/lib-python/3/runpy.py", line 109, in _get_module_details __import__(pkg_name) File "/usr/lib/python3/dist-packages/ipykernel/__init__.py", line 2, in <module> from .connect import * File "/usr/lib/python3/dist-packages/ipykernel/connect.py", line 18, in <module> import jupyter_client File "/usr/lib/python3/dist-packages/jupyter_client/__init__.py", line 4, in <module> from .connect import * File "/usr/lib/python3/dist-packages/jupyter_client/connect.py", line 23, in <module> import zmq File "/usr/lib/python3/dist-packages/zmq/__init__.py", line 47, in <module> from zmq import backend File "/usr/lib/python3/dist-packages/zmq/backend/__init__.py", line 40, in <module> reraise(*exc_info) File "/usr/lib/python3/dist-packages/zmq/utils/sixcerpt.py", line 34, in reraise raise value 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 27, in select_backend mod = __import__(name, fromlist=public_api) ModuleNotFoundError: No module named 'zmq.backend.cffi' More info: * I never used pip in this machine and never installed conda. * I have python3-cffi-backend installed: # aptitude search python3-cffi-backend python3-zmq i A python3-cffi-backend - Foreign Function Interface for Python 3 calling C code - runtime v python3-cffi-backend-api-9729 - v python3-cffi-backend-api-max - v python3-cffi-backend-api-min - p python3-cffi-backend-dbg - Foreign Function Interface for Python 3 calling C code (Debug ve i A python3-zmq - Python3 bindings for 0MQ library p python3-zmq-dbg Thanks for your time -- System Information: Debian Release: bullseye/sid APT prefers testing APT policy: (900, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 5.2.0-2-amd64 (SMP w/8 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages python3-zmq depends on: ii libc6 2.28-10 ii libzmq5 4.3.2-1 ii python3 3.7.3-1 python3-zmq recommends no packages. python3-zmq suggests no packages. -- no debconf information