def form_valid(self, form): first_name = form.cleaned_data['first_name'] last_name = form.cleaned_data['last_name'] email = form.cleaned_data['email'] if Subscription.objects.filter(email=email).count()==0: subscription = Subscription( first_name=first_name, last_name=last_name, email=email, ) subscription.save() return super(Nosotros, self).form_valid(form)