[khmer] is_pair sensitive to order

[C. Titus Brown]

On Wed, Dec 30, 2015 at 10:00:49AM -0500, Keith Robison wrote:
> Probably few people would see this as a bug, but is_pair in utils.py (and
> by extension, interleave_pairs.py) is sensitive to the order the two
> sequences are given in  -- if you give sequences (FASTQ files for
> interleave_pairs.py) in the order R2, R1, the function will say they are
> not paired

It certainly is! Are there programs that accept R2 before R1?

best,
--titus