rohitg00/ai-engineering-from-scratch · error · BestResultError

seed list is empty

Error message

seed list is empty

What it means

Error "seed list is empty" thrown in rohitg00/ai-engineering-from-scratch.

Source

Thrown at phases/19-capstone-projects/57-end-to-end-research-demo/code/main.py:214

        figure_refs = [fig.id] if s.id == "results" else []
        sections.append(Section(
            id=s.id, title=s.title, body=s.body,
            cites=list(s.cites), figure_refs=figure_refs,
        ))
    return Paper(
        title=mini.title,
        authors=["Auto-Research Demo"],
        abstract=mini.abstract,
        sections=sections,
        figures=[fig],
        bibliography=bib,
    )


async def _run_demo_async(out_dir: str, seed: int = 11) -> DemoReport:
    seed_list = make_seed_hypotheses()
    if not seed_list:
        raise BestResultError("seed list is empty")

    runner = make_deterministic_runner(
        base_rewards={"alpha": 0.82, "beta": 0.55, "gamma": 0.15},
        noise=0.04,
        delay_ms=2.0,
        seed=seed,
    )
    sched = IterationScheduler(
        runner=runner, slots=3, max_experiments=6,
        paper_threshold=0.7, prune_floor=0.2, prune_after_runs=3,
        expander=scheduler_mod.deterministic_expander,
    )
    sched_report = await sched.run(seed_list)

    branch, reward = pick_best_branch(sched_report)

    mini = build_mini_paper(branch, reward)
    loop = CriticLoop(

View on GitHub (pinned to 39ea8a1c6d)

When it happens

Trigger: Thrown at phases/19-capstone-projects/57-end-to-end-research-demo/code/main.py:214 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of rohitg00/ai-engineering-from-scratch@39ea8a1c6d (2026-08-26). Data as JSON: /api/errors/4c5800c3753f64d1. Report an issue: GitHub.