old_contents: #!/usr/bin/env python2
  # -*- coding: utf-8 -*-
  
  from iss import download
  
  
  def test_to_fasta():
      ref_genome = SeqRecord(
          Seq(str('ATATA' * 100),
              IUPAC.unambiguous_dna
              ),
          id='ref_genome',
          description='test reference'
          )
      genome_list = [ref_genome, ref_genome]
      download.to_fasta(genome_list, 'test_genomes.fasta')
  
  
  def test_ncbi():
      genome_list = download.ncbi('bacteria', 2)
      assert len(genome_list) == 2
  
new_contents: #!/usr/bin/env python2
  # -*- coding: utf-8 -*-
  
  from Bio.Seq import Seq
  from Bio.Alphabet import IUPAC
  from Bio.SeqRecord import SeqRecord
  
  from iss import download
  
  
  def test_to_fasta():
      ref_genome = SeqRecord(
          Seq(str('ATATA' * 100),
              IUPAC.unambiguous_dna
              ),
          id='ref_genome',
          description='test reference'
          )
      genome_list = [ref_genome, ref_genome]
      download.to_fasta(genome_list, 'test_genomes.fasta')
  
  
  def test_ncbi():
      genome_list = download.ncbi('bacteria', 2)
      assert len(genome_list) == 2
  
subject: fix imports