An error with to_csv delimiter

[wook2013]

borf/borf/get_orfs.py

Line 739 in 52bca75

orf_df.to_csv(file_out, mode = 'a', index=False, sep='\n', header=False, columns=['fasta_id', 'orf_sequence'])

It seemed that \n is not permitted in to_csv and I met this problem in WSL2.