def test_load_seqs_interface(self):
    'load_aligned_seqs correctly loads nexus alignments'
    aln = load_aligned_seqs('data/nexus_mixed.nex')
    self.assertEqual(aln.num_seqs, 4)
    self.assertEqual(len(aln), 20)
    aln = load_aligned_seqs('data/nexus_aa.nxs')
    self.assertEqual(aln.num_seqs, 10)
    self.assertEqual(len(aln), 234)
load_aligned_seqs correctly loads nexus alignments
def test_load_seqs_interface(self):
    
    aln = load_aligned_seqs('data/nexus_mixed.nex')
    self.assertEqual(aln.num_seqs, 4)
    self.assertEqual(len(aln), 20)
    aln = load_aligned_seqs('data/nexus_aa.nxs')
    self.assertEqual(aln.num_seqs, 10)
    self.assertEqual(len(aln), 234)