web.utils.archive: Fix

Currently in staging, the service is failing [1].

Patching it with this, the routine went back to normal [2]

[1]

Oct 04 09:40:32 webapp django-admin[2174716]: /etc/softwareheritage/web/web does not exist, using /etc/softwareheritage/web/web.yml instead
Oct 04 09:40:33 webapp django-admin[2174716]: Traceback (most recent call last):
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/bin/django-admin", line 5, in <module>
Oct 04 09:40:33 webapp django-admin[2174716]:     management.execute_from_command_line()
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
Oct 04 09:40:33 webapp django-admin[2174716]:     utility.execute()
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/django/core/management/__init__.py", line 375, in execute
Oct 04 09:40:33 webapp django-admin[2174716]:     self.fetch_command(subcommand).run_from_argv(self.argv)
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/django/core/management/base.py", line 323, in run_from_argv
Oct 04 09:40:33 webapp django-admin[2174716]:     self.execute(*args, **cmd_options)
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/django/core/management/base.py", line 364, in execute
Oct 04 09:40:33 webapp django-admin[2174716]:     output = self.handle(*args, **options)
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/swh/web/save_code_now/management/commands/refresh_savecodenow_statuses.py", line 27, in handle
Oct 04 09:40:33 webapp django-admin[2174716]:     refreshed_statuses = refresh_save_origin_request_statuses()
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/swh/web/save_code_now/origin_save.py", line 715, in refresh_save_origin_request_statuses
Oct 04 09:40:33 webapp django-admin[2174716]:     if save_requests.count() > 0
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/swh/web/save_code_now/origin_save.py", line 683, in update_save_origin_requests_from_queryset
Oct 04 09:40:33 webapp django-admin[2174716]:     task_runs.get(sor.loading_task_id),
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/swh/web/save_code_now/origin_save.py", line 380, in _update_save_request_info
Oct 04 09:40:33 webapp django-admin[2174716]:     save_request
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/swh/web/save_code_now/origin_save.py", line 318, in _check_visit_update_status
Oct 04 09:40:33 webapp django-admin[2174716]:     visit_date, visit_status, _ = _get_visit_info_for_save_request(save_request)
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/swh/web/save_code_now/origin_save.py", line 297, in _get_visit_info_for_save_request
Oct 04 09:40:33 webapp django-admin[2174716]:     ovs = archive.origin_visit_find_by_date(origin, save_request.request_date)
Oct 04 09:40:33 webapp django-admin[2174716]:   File "/usr/lib/python3/dist-packages/swh/web/utils/archive.py", line 1110, in origin_visit_find_by_date
Oct 04 09:40:33 webapp django-admin[2174716]:     return converters.from_origin_visit({**visit_status.to_dict(), "type": visit.type})
Oct 04 09:40:33 webapp django-admin[2174716]: AttributeError: 'NoneType' object has no attribute 'to_dict'
Oct 04 09:40:33 webapp systemd[1]: swh-webapp-update-savecodenow-statuses.service: Main process exited, code=exited, status=1/FAILURE

[2]

Oct 04 09:45:31 webapp django-admin[2175548]: /etc/softwareheritage/web/web does not exist, using /etc/softwareheritage/web/web.yml instead
Oct 04 09:45:33 webapp django-admin[2175548]: Successfully updated 10 save request(s).
Oct 04 09:45:33 webapp systemd[1]: swh-webapp-update-savecodenow-statuses.service: Succeeded.