def getNucleotides(jsonname, fstname):
with open(jsonname+".json") as json:
taxa = load(json)
nucleotides = DnaCharacterMatrix.get_from_path("../work/"+ fstname+".fst", schema="fasta")
for taxon in nucleotides.taxon_set:
for accession, metadata in taxa.items():
if accession == taxon.label.split(".")[0]:
taxon.label = metadata["name"].replace(" ", "_")
return nucleotides
