On Jan 8, 2014, at 8:55 PM, limodou <limo...@gmail.com> wrote: > > Yes, I saw the code about 0.8.X and 0.9.1, the None convertion are the same. > But difference between them is in AND process. So this "inconsistent" that > you mean it's a bug in 0.8?
it’s a bug in 0.8, yes. > > I think raise exception maybe better, so that it'll let user to know what > wrong with the condition. Otherwise some code like condition & None can run > in 0.8.X very well, but in 0.9 it'll only return nothing without any error > thrown at all. It will break the old code. well we can’t change 0.8 to raise, so raising an exception in 0.9 wouldn’t solve much as far as cross-compatibility. I don’t think this pattern is that common in any case.
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