0.12.3dev: for db connection errors, also show the error in clear text for Python 2.4 (follow-up to r10461). 
0.12.3dev: for db connection errors, also show the error in clear text for Python 2.4 (follow-up to r10461). 

Closes #10024.


git-svn-id: 764b04d0c6fbbea0ee05220aef3208173ff13049@10552 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac