Package: jupyterhub Version: 5.2.1+ds1-2 Severity: normal Dear Maintainer,
When starting jupyterhub I get this error message > avril 29 10:50:14 systemd[1]: Started jupyterhub.service. > avril 29 10:50:16 python3[4588]: [I 2025-04-29 10:50:16.028 JupyterHub > app:3346] Running JupyterHub version 5.2.1 > avril 29 10:50:16 python3[4588]: [I 2025-04-29 10:50:16.028 JupyterHub > app:3376] Using Authenticator: jupyterhub.auth.PAMAuthenticator-5.2.1 > avril 29 10:50:16 python3[4588]: [I 2025-04-29 10:50:16.028 JupyterHub > app:3376] Using Spawner: jupyterhub.spawner.LocalProcessSpawner-5.2.1 > avril 29 10:50:16 python3[4588]: [I 2025-04-29 10:50:16.028 JupyterHub > app:3376] Using Proxy: jupyterhub.proxy.ConfigurableHTTPProxy-5.2.1 > avril 29 10:50:16 python3[4588]: > /usr/lib/python3/dist-packages/jupyter_events/schema.py:68: > JupyterEventsVersionWarning: The `version` property of an event schema must > be a stri> > avril 29 10:50:16 python3[4588]: validate_schema(_schema) > avril 29 10:50:16 python3[4588]: [I 2025-04-29 10:50:16.044 JupyterHub > app:1831] Loading cookie_secret from > /var/lib/jupyterhub/jupyterhub_cookie_secret > avril 29 10:50:16 python3[4588]: [I 2025-04-29 10:50:16.053 JupyterHub > dbutil:129] Upgrading sqlite:///jupyterhub.sqlite > avril 29 10:50:16 python3[4588]: [I 2025-04-29 10:50:16.053 JupyterHub > dbutil:100] Backing up jupyterhub.sqlite => > jupyterhub.sqlite.2025-04-29-105016 > avril 29 10:50:16 python3[4588]: [E 2025-04-29 10:50:16.054 JupyterHub > app:3912] > avril 29 10:50:16 python3[4588]: Traceback (most recent call last): > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3/dist-packages/jupyterhub/app.py", line 3909, in > launch_instance_async > avril 29 10:50:16 python3[4588]: await self.initialize(argv) > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3/dist-packages/jupyterhub/app.py", line 3388, in initialize > avril 29 10:50:16 python3[4588]: self.init_db() > avril 29 10:50:16 python3[4588]: ~~~~~~~~~~~~^^ > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3/dist-packages/jupyterhub/app.py", line 2000, in init_db > avril 29 10:50:16 python3[4588]: > dbutil.upgrade_if_needed(self.db_url, log=self.log) > avril 29 10:50:16 python3[4588]: > ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^ > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3/dist-packages/jupyterhub/dbutil.py", line 134, in > upgrade_if_needed > avril 29 10:50:16 python3[4588]: upgrade(db_url) > avril 29 10:50:16 python3[4588]: ~~~~~~~^^^^^^^^ > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3/dist-packages/jupyterhub/dbutil.py", line 85, in upgrade > avril 29 10:50:16 python3[4588]: check_call(['alembic', '-c', > alembic_ini, 'upgrade', revision]) > avril 29 10:50:16 python3[4588]: > ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3.13/subprocess.py", line 414, in check_call > avril 29 10:50:16 python3[4588]: retcode = call(*popenargs, **kwargs) > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3.13/subprocess.py", line 395, in call > avril 29 10:50:16 python3[4588]: with Popen(*popenargs, **kwargs) as > p: > avril 29 10:50:16 python3[4588]: ~~~~~^^^^^^^^^^^^^^^^^^^^^^ > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3.13/subprocess.py", line 1039, in __init__ > avril 29 10:50:16 python3[4588]: self._execute_child(args, > executable, preexec_fn, close_fds, > avril 29 10:50:16 python3[4588]: > ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > avril 29 10:50:16 python3[4588]: pass_fds, cwd, > env, > avril 29 10:50:16 python3[4588]: > ^^^^^^^^^^^^^^^^^^^ > avril 29 10:50:16 python3[4588]: ...<5 lines>... > avril 29 10:50:16 python3[4588]: gid, gids, uid, > umask, > avril 29 10:50:16 python3[4588]: > ^^^^^^^^^^^^^^^^^^^^^^ > avril 29 10:50:16 python3[4588]: > start_new_session, process_group) > avril 29 10:50:16 python3[4588]: > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > avril 29 10:50:16 python3[4588]: File > "/usr/lib/python3.13/subprocess.py", line 1969, in _execute_child > avril 29 10:50:16 python3[4588]: raise > child_exception_type(errno_num, err_msg, err_filename) > avril 29 10:50:16 python3[4588]: FileNotFoundError: [Errno 2] No such > file or directory: 'alembic' > avril 29 10:50:16 python3[4588]: It seems to me that python3-alembic is missing in the Depends -- System Information: Debian Release: trixie/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 6.12.22-amd64 (SMP w/128 CPU threads; PREEMPT) Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages jupyterhub depends on: ii fonts-font-awesome 5.0.10+really4.7.0~dfsg-4.1 ii libjs-bootstrap 3.4.1+dfsg-4 ii libjs-jquery 3.6.1+dfsg+~3.5.14-1 ii libjs-prototype 1.7.3-2 ii libjs-requirejs 2.3.7+ds+~2.1.37-1 ii node-configurable-http-proxy 4.5.3+~cs15.2.4-3 ii python3 [python3-supported-min] 3.13.3-1 ii python3-alembic 1.13.2-4 ii python3-async-generator 1.10-4 ii python3-bcrypt 4.2.0-2.1+b1 ii python3-certipy 0.1.3-4 ii python3-dateutil 2.9.0-4 ii python3-idna 3.10-1 ii python3-importlib-metadata 8.6.1-1 ii python3-jinja2 3.1.6-1 ii python3-jupyter-events 0.12.0-2 ii python3-notebook 6.4.13-5 ii python3-oauthlib 3.2.2-3 ii python3-packaging 24.2-3 ii python3-pamela 1.0.0-3 ii python3-prometheus-client 0.21.1+ds1-1 ii python3-pydantic 2.10.6-2 ii python3-requests 2.32.3+dfsg-5 ii python3-sqlalchemy 2.0.40+ds1-1 ii python3-tornado 6.4.2-1 ii python3-traitlets 5.14.3+really5.14.3-1 jupyterhub recommends no packages. jupyterhub suggests no packages. -- no debconf information
