To see if there will be a retrial. I have to admit I forgot but have just watched a recording of today's events. Did anyone see the live event ? I know that during the original trial there were some very interesting posters discussing it.
No, the appeal isn't to see if there will be a retrial. The prosecution is seeking to have the verdict changed from culpable homicide to murder. The hearing was purely about whether the trial judge interpreted the law correctly. If Pistorius wins nothing will change. If he loses he may go back to prison.