Batoulsadat Haerian

Running following command in python: ``` >>> from Bio import AlignIO >>> alignment = AlignIO.read("PF05371_seed.sth", "stockholm") >>> print("Number of rows: %i" % len(alignment)) from" http://biopython.readthedocs.io/en/latest/Tutorial/chapter_align.html" sends this message: Traceback (most...