basho/riak-python-client — comment on commit bc0decf25ba621c610aa4a341636c1a60a179fbc
File:  line 0
By gstein:

This will cause backwards-compatibility issues. I left these in, with the call to riak.util.deprecated() so that people using these old transports will be notified.

Personally, I have no issue with yanking those old things, but when speaking with Russell, his choice was to deprecate things for one release, and yank them in the next release.