- remove repr() from exception assertion, so that py3k's different repr(type(str)) format passes
- remove repr() from exception assertion, so that py3k's different repr(type(str)) format passes

hsum/sqlalchemy,ThiefMaster/sqlalchemy,monetate/sqlalchemy,alex/sqlalchemy,j5int/sqlalchemy,epa/sqlalchemy,graingert/sqlalchemy,bdupharm/sqlalchemy,davidfraser/sqlalchemy,276361270/sqlalchemy,ThiefMaster/sqlalchemy,Akrog/sqlalchemy,alex/sqlalchemy,sandan/sqlalchemy,wfxiang08/sqlalchemy,bootandy/sqlalchemy,brianv0/sqlalchemy,hsum/sqlalchemy,bdupharm/sqlalchemy,elelianghh/sqlalchemy,dstufft/sqlalchemy,bootandy/sqlalchemy,brianv0/sqlalchemy,WinterNis/sqlalchemy,wujuguang/sqlalchemy,inspirehep/sqlalchemy,robin900/sqlalchemy,graingert/sqlalchemy,sandan/sqlalchemy,davidjb/sqlalchemy,WinterNis/sqlalchemy,j5int/sqlalchemy,wujuguang/sqlalchemy,276361270/sqlalchemy,pdufour/sqlalchemy,Cito/sqlalchemy,pdufour/sqlalchemy,davidfraser/sqlalchemy,halfcrazy/sqlalchemy,EvaSDK/sqlalchemy,Cito/sqlalchemy,itkovian/sqlalchemy,dstufft/sqlalchemy,itkovian/sqlalchemy,monetate/sqlalchemy,olemis/sqlalchemy,Cito/sqlalchemy,olemis/sqlalchemy,halfcrazy/sqlalchemy,davidjb/sqlalchemy,sqlalchemy/sqlalchemy,alex/sqlalchemy,Akrog/sqlalchemy,zzzeek/sqlalchemy,epa/sqlalchemy,robin900/sqlalchemy,wfxiang08/sqlalchemy,inspirehep/sqlalchemy,elelianghh/sqlalchemy,EvaSDK/sqlalchemy