def addaccount(request):
   msg = "An Error occured when adding accoung. Hit the back button and try again."
   try:
      a = users.get_object(username__exact=request.POST['new_premail'])
      msg = "User %s already exists." % request.POST['new_premail']
   except users.UserDoesNotExist:

      if request.POST:
         data = request.POST.copy()
         password = users.make_random_password()
         u = users.create_user(data['new_premail'], data['new_premail'], password)


...