I guess there were some people who thought that the leopard Tony Abbott may have changed his spots after his look-we've-changed 2015 federal budget. The polls certainly suggest this.
As William Bowie wrote in his http://blogs.crikey.com.au/pollbludger/2015/05/21/bludgertrack-51-6-48-4-to-labor-2/">Poll Bludger column in Crikey.com: “A flurry of post-budget opinion polls adds up to a solid increase in the Coalition’s standing, with Tony Abbott’s personal standing now rivalling his least-bad results since his short-lived post-election honeymoon.”