Fix crash on review voting on homepage

app/models/users.py

@@ -318,7 +318,8 @@ def __eq__(self, other):
 		if other is None:
 			return False
 
-		if not self.is_authenticated or not other.is_authenticated:
+		# Anonymous users
+		if "id" not in self or "id" not in other:
 			return False
 
 		assert self.id > 0