Ensure anonymous user has email set

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/accounts/migrations/0017_anonymous_profile.py

@@ -18,6 +18,7 @@ def add_anonymous_profile(apps, schema_editor):
         defaults={
             'is_active': False,
             'password': make_password(None),
+            'email': 'noreply@weblate.org',
         }
     )[0]
     guest_group = Group.objects.get_or_create(name='Guests')[0]

weblate/accounts/models.py

@@ -963,6 +963,7 @@ def create_groups(update):
     except User.DoesNotExist:
         anon_user = User.objects.create(
             username=ANONYMOUS_USER_NAME,
+            email='noreply@weblate.org',
             is_active=False,
         )