The prior version, 1.20.02, was released on December 19, 2007.
Access to prior versions of a file is easy.
The history of prior versions of this work can be found here, indicating a start sometime in 1997.
Further, a prior version of this legislation was stalled for over six years.
The current guidelines share key features with prior versions.
But there's no available patches for the prior versions.
And it'll be a week later for the prior versions.
And it does upgrade very nicely over its prior version.
So essentially the replacement would arrive before the revocation of the prior version.
Python 3.0 was developed with the same philosophy as in prior versions.