auto-upgrade: rename a variable to match the actual content
This was the result of a copy paste.
frommercurial.i18nimport_frommercurialimportchangegroup,error,extensionsdefabort(orig,*args,**kwargs):raiseerror.Abort(_('this is an exercise'))defuisetup(ui):extensions.wrapfunction(changegroup,'getbundler',abort)