  File "<stdin>", line 7
    script=f'''set -euo pipefail\npython3 - <<'PY2'\nimport base64, csv, io, os\ndata=base64.b64decode({payload!r}).decode()\nreader=csv.DictReader(io.StringIO(data), delimiter="\\t")\npaths=[]\nsummary=[]\nfor row in reader:\n    sample=row["sample"]\n    ilmn=[row["ilmn_r1"], row["ilmn_r2"]]\n    ont=[p for p in row["ont_r1_csv"].split(",") if p]\n    paths.extend((sample,"ILMN",p) for p in ilmn)\n    paths.extend((sample,"ONT",p) for p in ont)\n    summary.append((sample, len(ont), row["ont_chips"]))\nmissing=[]; zero=[]; off=[]; bytes_by={}\nfor sample, kind, path in paths:\n    if not path.startswith("/fsx/run_dir_mounts/"):\n        off.append(path)\n    try:\n        st=os.stat(path)\n    except FileNotFoundError:\n        missing.append(path); continue\n    if st.st_size <= 0:\n        zero.append(path)\n    bytes_by[(sample, kind)] = bytes_by.get((sample, kind), 0) + st.st_size\nprint("summary")\nfor sample, count, chips in summary:\n    print(f"{sample}\\tchips={chips}\\tont_fastqs={count}")\nprint("by
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   ^
SyntaxError: f-string: empty expression not allowed
