tag:blogger.com,1999:blog-5440028356946346379.post-15218033904887690012008-05-17T16:26:00.000-04:002008-05-17T16:26:00.000-04:00I'm sure a non-recursive key function would have an impact.<BR/><BR/>As far as where the heapq source is, try this:<BR/><BR/>$ python<BR/>>>> import heapq<BR/>>>> print heapq.__file__Doug Hellmannhttp://www.blogger.com/profile/01892352754222143463noreply@blogger.com