MutableDict.__delitem__ should require only 'key' argument
MutableDict.__delitem__ should require only 'key' argument

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