jamescasbon/PyVCF — pull request #38 by arq5x (2012-04-05 01:10:40+00:00)
Title: Optimized and cleaned-up _Call.gt_types 

I tightened the logic in this method, which, by my tests gave a 10% reduction in time per call according to

time python -m cProfile -s time

While not earth-shattering, it definitely helps when doing popgen metrics on VCF files with many samples.