Fix a dumb bug in callable that's been around since defcon
Fix a dumb bug in callable that's been around since defcon

axt/angr,tyb0807/angr,iamahuman/angr,haylesr/angr,schieb/angr,axt/angr,chubbymaggie/angr,axt/angr,iamahuman/angr,angr/angr,angr/angr,chubbymaggie/angr,tyb0807/angr,f-prettyland/angr,f-prettyland/angr,angr/angr,tyb0807/angr,f-prettyland/angr,schieb/angr,chubbymaggie/angr,schieb/angr,haylesr/angr,iamahuman/angr