[Python-Dev] Gradual migration PEP

[Guido van Rossum]

Paul,

Your deprecation PEP looks good.  A few comments:

- I think that the one-year period may depend on the feature.  Some
may require an even longer time.  Others less.

- I think there will be cases where run-time checks are the only way
to detect use of the old feature (e.g. I'm still struggling with how
to change the division semantics).

But this shouldn't stop it from becoming a PEP.

Please arrange for a PEP number with Barry, the PEPmaster.

--Guido van Rossum (home page: http://www.python.org/~guido/)