HKUDS/DeepTutor · error · LearningConflictError

LearningConflictError(path_id, tx.base_revision, int(current

Error message

LearningConflictError(path_id, tx.base_revision, int(current["revision"]) if current else 0)

What it means

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

Source

Thrown at deeptutor/learning/storage.py:597

                    cursor = conn.execute(
                        """
                        UPDATE mastery_paths
                        SET state_json = ?, revision = ?, updated_at = ?
                        WHERE path_id = ? AND revision = ?
                        """,
                        (
                            self._progress_payload(tx.progress, revision, now),
                            revision,
                            now,
                            path_id,
                            tx.base_revision,
                        ),
                    )
                    if cursor.rowcount != 1:
                        current = conn.execute(
                            "SELECT revision FROM mastery_paths WHERE path_id = ?", (path_id,)
                        ).fetchone()
                        raise LearningConflictError(
                            path_id,
                            tx.base_revision,
                            int(current["revision"]) if current else 0,
                        )
                    for event_type, payload, session_id, turn_id in tx.events:
                        conn.execute(
                            """
                            INSERT INTO mastery_events (
                                path_id, revision, event_type, payload_json,
                                session_id, turn_id, created_at
                            ) VALUES (?, ?, ?, ?, ?, ?, ?)
                            """,
                            (
                                path_id,
                                revision,
                                event_type,
                                json.dumps(payload, ensure_ascii=False),
                                session_id,

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/learning/storage.py:597 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/d24ca9eaf3f5a67c. Report an issue: GitHub.