Fix python2.5 bug
Fix python2.5 bug

shaunstanislaus/grab,raybuhr/grab,kevinlondon/grab,shaunstanislaus/grab,giserh/grab,subeax/grab,SpaceAppsXploration/grab,alihalabyah/grab,liorvh/grab,lorien/grab,pombredanne/grab-1,maurobaraldi/grab,liorvh/grab,DDShadoww/grab,lorien/grab,huiyi1990/grab,giserh/grab,codevlabs/grab,huiyi1990/grab,istinspring/grab,subeax/grab,istinspring/grab,kevinlondon/grab,subeax/grab,codevlabs/grab,maurobaraldi/grab,pombredanne/grab-1,SpaceAppsXploration/grab,raybuhr/grab,alihalabyah/grab,DDShadoww/grab