HKUDS/DeepTutor · error · LearningConflictError

LearningConflictError(path_id, expected, int(current["revisi

Error message

LearningConflictError(path_id, expected, int(current["revision"]) if current else 0)

What it means

Error "LearningConflictError(path_id, expected, int(current["revision"]) if current else 0)" thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/learning/storage.py:513

                    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,)
                        ).fetchone()
                        raise LearningConflictError(
                            path_id, expected, int(current["revision"]) if current else 0
                        )
                    event_type = "path.saved"
                conn.execute(
                    """
                    INSERT INTO mastery_events (
                        path_id, revision, event_type, payload_json, created_at
                    ) VALUES (?, ?, ?, '{}', ?)
                    """,
                    (path_id, revision, event_type, now),
                )
                conn.commit()
            except Exception:
                conn.rollback()
                raise
        progress.version = revision
        progress.updated_at = now

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/learning/storage.py:513 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/06fd679c81741552. Report an issue: GitHub.