with open('Nidata_raw.lvm') as fin, open('Nidata.lvm', 'w') as fout: line_no = 0.0 lines = '\n'.join([line.strip() for line in fin.readlines() if line.strip() != ''] ) for line in lines.splitlines(): fout.write("%f\t%s\n" % (line_no/10000.0, line.strip())) line_no += 1 from pygolem_lite.modules import load_adv load_adv('Nidata')