Starting today, the develop branch now supports Python 3.3 and 3.4 for the S3, SQS, Kinesis, and CloudTrail modules. There is some history about this change in the following issue and pull request:
Note that we are dropping support for Python 2.5.
I would like to ask that you take a few minutes to test the develop branch, both against your existing Python 2 usage and if you like, against Python 3. It is critical that we do not break Python 2 users in the next release. If you do get a chance to test, please let us know which modules and Python versions you use.
If you are interested in porting a module to Python 3, please see the porting guide: