def get_success_url(self):
    if self.success_url:
        url = self.success_url
    else:
        url = self.request.get_full_path()
    return url
def get_success_url(self):
    if self.success_url:
        url = self.success_url
    else:
        url = self.request.get_full_path()
    return url