Fix bug in lockfile_helpers
Fix bug in lockfile_helpers

astropy/astropy,joergdietrich/astropy,AustereCuriosity/astropy,AustereCuriosity/astropy,tbabej/astropy,StuartLittlefair/astropy,funbaker/astropy,mhvk/astropy,joergdietrich/astropy,tbabej/astropy,dhomeier/astropy,astropy/astropy,pllim/astropy,DougBurke/astropy,dhomeier/astropy,bsipocz/astropy,lpsinger/astropy,bsipocz/astropy,astropy/astropy,astropy/astropy,MSeifert04/astropy,DougBurke/astropy,stargaser/astropy,AustereCuriosity/astropy,MSeifert04/astropy,StuartLittlefair/astropy,stargaser/astropy,aleksandr-bakanov/astropy,pllim/astropy,AustereCuriosity/astropy,larrybradley/astropy,dhomeier/astropy,MSeifert04/astropy,saimn/astropy,dhomeier/astropy,mhvk/astropy,funbaker/astropy,saimn/astropy,saimn/astropy,bsipocz/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,funbaker/astropy,AustereCuriosity/astropy,aleksandr-bakanov/astropy,kelle/astropy,tbabej/astropy,pllim/astropy,aleksandr-bakanov/astropy,pllim/astropy,lpsinger/astropy,larrybradley/astropy,joergdietrich/astropy,pllim/astropy,stargaser/astropy,saimn/astropy,joergdietrich/astropy,kelle/astropy,mhvk/astropy,mhvk/astropy,funbaker/astropy,kelle/astropy,mhvk/astropy,tbabej/astropy,stargaser/astropy,larrybradley/astropy,tbabej/astropy,kelle/astropy,saimn/astropy,lpsinger/astropy,bsipocz/astropy,DougBurke/astropy,larrybradley/astropy,lpsinger/astropy,StuartLittlefair/astropy,MSeifert04/astropy,StuartLittlefair/astropy,joergdietrich/astropy,kelle/astropy,DougBurke/astropy,astropy/astropy,lpsinger/astropy,dhomeier/astropy,larrybradley/astropy