[users at bb.net] SQLAlchemy and SQLAlchemy-Migrate versions?

[Barta, Hank]

OS: Ubuntu 16.04 LTS
Python 2.7.12
Buildbot version: 0.8.12
Twisted version: 16.0.0

I'm confused. The manual at http://docs.buildbot.net/current/manual/installation.html#requirements (Says "Buildbot 0.8.12 documentation" at the top of the page) states:

"Buildbot requires SQLAlchemy 0.6.0 or higher. SQLAlchemy allows Buildbot to build database schemas and queries for a wide variety of database systems."

I have the default package for Ubuntu 16.04 installed:
"ii  python-sqlalchemy          1.0.11+ds1-1ubuntu2             all          SQL toolkit and Object Relational Mapper for Python"
(Looks like 1.0.11 to me.)

A bit further on the same page I see:
"Buildbot requires one of the following SQLAlchemy-Migrate versions: 0.7.1, 0.7.2 and 0.9. SQLAlchemy-Migrate-0.9 is required for compatibility with SQLAlchemy versions 0.8 and above. Buildbot uses SQLAlchemy-Migrate to manage schema upgrades from version to version."

I install 0.9 using:
"pip install -I sqlalchemy-migrate==0.9 --force-reinstall"

When I run Buildbot it starts up but when it tries to send email, it gets an error:
2016-08-08 16:50:29+0000 [-] Exception caught notifying <buildbot.status.mail.MailNotifier object at 0x7f9aa740e390> of buildFinished event
2016-08-08 16:50:29+0000 [-] Unhandled Error
        Traceback (most recent call last):
          File "/usr/lib/python2.7/dist-packages/buildbot/status/build.py", line 320, in buildFinished
            w.callback(self)
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 393, in callback
            self._startRunCallbacks(result)
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 501, in _startRunCallbacks
            self._runCallbacks()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 588, in _runCallbacks
            current.result = callback(current.result, *args, **kw)
        --- <exception caught here> ---
          File "/usr/lib/python2.7/dist-packages/buildbot/status/builder.py", line 597, in _buildFinished
            w.buildFinished(name, s, results)
          File "/usr/lib/python2.7/dist-packages/buildbot/status/mail.py", line 537, in buildFinished
            return self.buildMessage(name, [build], results)
          File "/usr/lib/python2.7/dist-packages/buildbot/status/mail.py", line 735, in buildMessage
            build=build, results=build.results)
          File "/usr/lib/python2.7/dist-packages/buildbot/status/mail.py", line 716, in buildMessageDict
            self.master_status)
          File "/var/lib/devops/buildbot/master/master.cfg", line 143, in messageFormatter
            result = util.Results[results]
          File "/usr/lib/python2.7/dist-packages/buildbot/plugins/db.py", line 238, in __getattr__
            raise AttributeError(str(err))
        exceptions.AttributeError: Requirements are not satisfied for buildbot.util:Results: (sqlalchemy-migrate 0.9 (/usr/local/lib/python2.7/dist-packages), Requirement.parse('sqlalchemy-migrate==0.7.2'))

If I try sqlalchemy-migrate==0.7.2 the master errors on startup with:
2016-08-08 16:46:43+0000 [-] while starting BuildMaster
        Traceback (most recent call last):
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 501, in _startRunCallbacks
            self._runCallbacks()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 588, in _runCallbacks
            current.result = callback(current.result, *args, **kw)
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1184, in gotResult
            _inlineCallbacks(r, g, deferred)
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1128, in _inlineCallbacks
            result = g.send(result)
        --- <exception caught here> ---
          File "/usr/lib/python2.7/dist-packages/buildbot/master.py", line 206, in startService
            yield self.db.setup()
          File "/usr/lib/python2.7/dist-packages/buildbot/db/connector.py", line 101, in setup
            basedir=self.basedir)
          File "/usr/lib/python2.7/dist-packages/buildbot/db/enginestrategy.py", line 249, in create_engine
            return sa.create_engine(*args, **kwargs)
          File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/__init__.py", line 386, in create_engine
            return strategy.create(*args, **kwargs)
          File "/usr/lib/python2.7/dist-packages/buildbot/db/enginestrategy.py", line 203, in create
            self.check_sqlalchemy_version()
          File "/usr/lib/python2.7/dist-packages/buildbot/db/enginestrategy.py", line 198, in check_sqlalchemy_version
            "SQLAlchemy-Migrate version %d.%d.%d" % (version, mvt[0], mvt[1], mvt[2]))
        exceptions.RuntimeError: SQLAlchemy version 1.0.14 is not supported by SQLAlchemy-Migrate version 0.7.2

(Hmmm... package name is 1.0.11 and module identifies itself as 1.0.14 ...)

What versions of these modules should I be running?

Thanks,
hank
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