def _log_and_fit(row_num, *args):
    logger.info('Row number at {}'.format(row_num))
    return fit_per_line_nnls(*args)
Wrapper around fit_per_line_nnls to log the row num that is being used
dataset/ETHPy150Open scikit-beam/scikit-beam/skbeam/core/fitting/xrf_model.py/_log_and_fit