script.py

import pandas as pd
from datasets import load_dataset
dataset_remote = load_dataset("parquet", data_files={'test': '/tmp/data/data/test-00000-of-00001.parquet'})
out = []
for id in dataset_remote["test"]["id"]:
    out.append(dict(id = id, pred = "flux"))

pd.DataFrame(out).to_csv("submission.csv",index = False)