nn wrote:
This is certainly an odd one. This code works fine under 2.6 but fails
in Python 3.1.
class x:
... lst=[2]
... gen=[lst.index(e) for e in lst]
In 3.x it was decided that the loop variables in a list
comprehension should be local, and not leak into the
surrounding scope. This was implemented by making the
list comprehension into a nested function.
Unfortunately this leads to the same unintuitive
behaviour as a genexp when used in a class scope.
--
Greg
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