def test_align_no_blank_columns(self):
    'correctly handle a file with no white space at line starts'
    parser = MinimalNexusAlignParser('data/nexus_aa.nxs')
    seqs = {n: s for (n, s) in parser}
    self.assertEqual(len(seqs), 10)
    lengths = set((len(seqs[n]) for n in seqs))
    self.assertEqual(lengths, {234})
correctly handle a file with no white space at line starts
def test_align_no_blank_columns(self):
    
    parser = MinimalNexusAlignParser('data/nexus_aa.nxs')
    seqs = {n: s for (n, s) in parser}
    self.assertEqual(len(seqs), 10)
    lengths = set((len(seqs[n]) for n in seqs))
    self.assertEqual(lengths, {234})