Buildbot no longer supports Python 2.7 on the Buildbot master.
5.68. Release Notes for Buildbot 0.9.0b7
The following are the release notes for Buildbot 0.9.0b7 This version was released on February 14, 2016.
See Upgrading to Buildbot 0.9.0 for a guide to upgrading from 0.8.x to 0.9.x
188.8.131.52. Deprecations, Removals, and Non-Compatible Changes
buildbotPython dist now (finally) requires SQLAlchemy-0.8.0 or later and SQLAlchemy-Migrate-0.9.0 or later. While the old pinned versions (0.7.10 and 0.7.2, respectively) still work, this compatibility is no longer tested and this configuration should be considered deprecated.
184.108.40.206. Changes for Developers
220.127.116.11. Deprecations, Removals, and Non-Compatible Changes
For a more detailed description of the changes made in this version, see the git log itself:
git log v0.9.0b6..v0.9.0b7