gistfile1.txt

            # Give credits to referrer
            if credit.number >= settings.REFERRAL_AMOUNT and not profile.referral_claimed:
                ref_id = profile.referred_by
                
                if ref_id:
                    # Can't earn credits for this referree again
                    profile.referral_claimed = True
                    profile.save()
                    referrer = UserProfile.objects.get(referral_id=ref_id)
                    referrer.balance += 10
                    referrer.save()