>>>>> "GvR" == Guido van Rossum <guido@digicool.com> writes: GvR> I'm curious where the frequent comparisons of types come GvR> from. GvR> Is there lots of code that does frequent GvR> assert type(x) == T GvR> typechecking? GvR> Does isinstance(x, T) perhaps use EQ? Not to mention the several hundred comparisons to None.