... repeats: use hash instead of tuple to distinguish intervals Interval.__hash__ returns hash(tuple(...)) tuple contains significant properties of interval Previously method .tuple() was used . ... 1 import sys . ... 3 from allpy.alignment import Alignment . 4 from allpy.block import Block . ... 6 p = Alignment ( open ( 'test.fasta' )) . 7 print "alignment length: %i " % len ( p ) . 8 print "sequence: %s " % str ( p . sequences [ 0 ]) . ... 19 #~ alignment.process(processors.Muscle()) . ...