def get_line(picardfile, phrase):
    """Read file. Report line number that starts with phrase and the first
    blank line after that line. Return tuple of integers
    """
    with open(picardfile, 'r') as f:
        start = 1000
        end = 1000
        for i, line in enumerate(f):
            if line.startswith(phrase):
                start = i
            if line.startswith('\n'):
                end = i
            if start < end:
                return (start, end)