countback

> Hi @countback, could you double-check if you are using the latest code here (and rebuild)? > https://github.com/luyug/Dense/blob/319ef30e3efa6658fdbffce4f2844998d86b75ac/src/dense/data.py#L30 > > > We have changed `data_files` into `data_dir`. the traceback seems...