Remove spaces around kwargs in metadata.rst
Remove spaces around kwargs in metadata.rst

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