[openstack-dev] [Neutron][Requirement] SQLAlchemy raises None, causes TypeError

David Ripton dripton at redhat.com
Thu Jul 18 22:17:53 UTC 2013

On 07/18/2013 03:48 PM, Nachi Ueno wrote:

> Sometimes, I got "SQLAlchemy raises None, causes TypeError"
> This get debugging hard, because it hides real reasons.
> It looks like the problem of combining eventlet and sqlalchemy.
> http://stackoverflow.com/questions/9525220/sqlalchemy-raises-none-causes-typeerror
> Latest version of sqlalchemy looks improved of this exception handling code.
> The sqlalchemy version looks pinned to
> sqlalchemy>=0.7.8,<=0.7.99.
> Because we needed SqlSoup (see [1]),
> However sqlsoup is no longer used.
> so I would like to upgrade sqlalchemy, but
> if the other project needs 0.7 version, please let me know.

Heat fails with SQLAlchemy 0.8.


David Ripton   Red Hat   dripton at redhat.com

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