NixOS/nixpkgs — pull request #5189 by cillianderoiste (2014-11-30 12:07:02+00:00)
Title: almir: pin the sqlalchemy version used by zope.sqlalchemy to 8

Otherwise, sqlalchemy 9 is used which triggers iElectric/almir#61
pinning it to 7 caused a build error. This does mean that both versions
are on the PYTHONPATH, but it seems to work.

@iElectric what do you think?