Exception type: UnexpectedResponseError
Message: Server returned unexpected status code: 502 (https://debusine.trinitydesktop.net/api/1.0/artifact/)

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/debusine/tasks/_task.py", line 878, in _execute
    self.upload_artifacts(
    ~~~~~~~~~~~~~~~~~~~~~^
        execute_directory, execution_result=execution_result
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/debusine/tasks/sbuild.py", line 727, in upload_artifacts
    remote_binary_packages = self._upload_binary_packages(directory)
  File "/usr/lib/python3/dist-packages/debusine/tasks/sbuild.py", line 610, in _upload_binary_packages
    self.debusine.upload_artifact(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        package,
        ^^^^^^^^
        workspace=self.workspace_name,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        work_request=self.work_request_id,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/debusine/client/debusine.py", line 494, in upload_artifact
    artifact_response = self.artifact_create(
        local_artifact,
    ...<2 lines>...
        expire_at=expire_at,
    )
  File "/usr/lib/python3/dist-packages/debusine/client/debusine.py", line 427, in artifact_create
    return self._debusine_http_client.post(
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        "/artifact/",
        ^^^^^^^^^^^^^
    ...<7 lines>...
        expected_statuses=[requests.codes.created],
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/debusine/client/debusine_http_client.py", line 99, in post
    return self._api_request(
           ~~~~~~~~~~~~~~~~~^
        "POST",
        ^^^^^^^
    ...<3 lines>...
        expected_statuses=expected_statuses,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/debusine/client/debusine_http_client.py", line 319, in _api_request
    raise exceptions.UnexpectedResponseError(
    ...<2 lines>...
    )
debusine.client.exceptions.UnexpectedResponseError: Server returned unexpected status code: 502 (https://debusine.trinitydesktop.net/api/1.0/artifact/)