HKUDS/DeepTutor · error · LearningConflictError

LearningConflictError(path_id, expected, actual)

Error message

LearningConflictError(path_id, expected, actual)

What it means

Error "LearningConflictError(path_id, expected, actual)" thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/learning/storage.py:493

                        """
                        INSERT INTO mastery_paths (
                            path_id, state_json, revision, created_at, updated_at
                        ) VALUES (?, ?, ?, ?, ?)
                        """,
                        (
                            path_id,
                            self._progress_payload(progress, revision, now),
                            revision,
                            progress.created_at,
                            now,
                        ),
                    )
                    event_type = "path.created"
                else:
                    actual = int(row["revision"])
                    expected = int(progress.version)
                    if actual != expected:
                        raise LearningConflictError(path_id, expected, actual)
                    revision = actual + 1
                    cursor = conn.execute(
                        """
                        UPDATE mastery_paths
                        SET state_json = ?, revision = ?, updated_at = ?
                        WHERE path_id = ? AND revision = ?
                        """,
                        (
                            self._progress_payload(progress, revision, now),
                            revision,
                            now,
                            path_id,
                            expected,
                        ),
                    )
                    if cursor.rowcount != 1:
                        current = conn.execute(
                            "SELECT revision FROM mastery_paths WHERE path_id = ?", (path_id,)

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/learning/storage.py:493 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/DeepTutor@3e82f13042 (2026-08-27). Data as JSON: /api/errors/a6186f21c1b996b9. Report an issue: GitHub.