matthew

tetra-freq unable to handle "N" nucleotide

1

The `tetra-freq` module crashes if there is an `N` nucleotide in the nucleotide sequence. An example error message is: > File "/home/ubuntu/.local/lib/python3.6/site-packages/magpurify/modules/tetra.py", line 87, in main > contig.kmers[kmer_rev] += 1...