On 8/11/2011 10:36 AM, Éric Araujo wrote:

It would be interesting to have feedback from people who lived the
transition to Python 2.

There was no comparable transition. Python 2.0 was basically 1.6 renamed for a different distributor. I regard Python 2.2, which introduced new-style, as the beginning of Python 2 as something significantly different from Python 1. I suppose one could also point to the earlier intro of unicode. The new iterator protocol was also a major change. In any case, back compatibility was kept in all three respects (and others) until Python 3.

--
Terry Jan Reedy


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