fix typo [ticket:2334]
fix typo [ticket:2334]

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