root@scheduler0:~# apt list --upgradable 2>/dev/null | grep swh | cut -f1 -d'/' | xargs -t apt install
apt install python3-swh.core python3-swh.counters python3-swh.journal python3-swh.lister python3-swh.loader.core python3-swh.model python3-swh.objstorage python3-swh.scheduler python3-swh.storage 
...
root@scheduler0:~# systemctl reload gunicorn-swh-scheduler.service

swhworker@worker1:~$ swh lister -C /etc/softwareheritage/lister.yml run -l npm 
Traceback (most recent call last):
  File "/usr/bin/swh", line 11, in <module>
    load_entry_point('swh.core==0.15.0', 'console_scripts', 'swh')()
  File "/usr/lib/python3/dist-packages/swh/core/cli/__init__.py", line 185, in main
    return swh(auto_envvar_prefix="SWH")
  File "/usr/lib/python3/dist-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/usr/lib/python3/dist-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3/dist-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3/dist-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/lib/python3/dist-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/usr/lib/python3/dist-packages/swh/lister/cli.py", line 65, in run
    get_lister(lister, **config).run()
  File "/usr/lib/python3/dist-packages/swh/lister/pattern.py", line 130, in run
    full_stats.origins += self.send_origins(origins)
  File "/usr/lib/python3/dist-packages/swh/lister/pattern.py", line 234, in send_origins
    ret = self.scheduler.record_listed_origins(batch_origins)
  File "/usr/lib/python3/dist-packages/swh/core/api/__init__.py", line 181, in meth_
    return self.post(meth._endpoint_path, post_data)
  File "/usr/lib/python3/dist-packages/swh/core/api/__init__.py", line 278, in post
    return self._decode_response(response)
  File "/usr/lib/python3/dist-packages/swh/core/api/__init__.py", line 354, in _decode_response
    self.raise_for_status(response)
  File "/usr/lib/python3/dist-packages/swh/core/api/__init__.py", line 344, in raise_for_status
    raise exception from None
swh.core.api.RemoteException: <RemoteException 500 CardinalityViolation: ['ON CONFLICT DO UPDATE command cannot affect row a second time\nHINT:  Ensure that no rows proposed for insertion within the same command have duplicate constrained values.\n']>

softwareheritage-scheduler=> begin; update task set next_run=now(), status='next_run_not_scheduled' where id=153874548;
BEGIN
UPDATE 1
softwareheritage-scheduler=*> commit;
COMMIT