On Tuesday, January 10, 2012 10:14:04 AM UTC-5, Simon King wrote:
>
> In other words: If we fix the initial state of the random generator 
>
then why don't we fix the initial state of (say) the coercion caches 
> as well, in a way that would certainly *not* hide a memory leak? 


Because it is almost always a bug for a test to depend on when the last gc 
was run, while it is a feature of the random number generator to return 
pseudo-random numbers.

If your doctest is about what kind of objects are currently alive then it 
should do a manual gc.collect()  first.

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