limit subscribe form to the email field

newsletter/forms.py

@@ -5,7 +5,7 @@ from .models import Subscriber, Newsletter
 class SubscribeForm(forms.ModelForm):
     class Meta:
         model = Subscriber
-        exclude = ('inscription_date', 'is_validated', 'is_registered', 'password')
+        fields = ('email',)
 
 
 class NewsletterForm(forms.ModelForm):