Fix typing issues

website/common/feed_generators.py

@@ -1,4 +1,8 @@
+from typing import Any
+
+from django.http import HttpRequest
 from django.utils.feedgenerator import DefaultFeed
+from django.utils.xmlutils import SimplerXMLGenerator
 
 
 class CustomFeed(DefaultFeed):
@@ -6,11 +10,11 @@ class CustomFeed(DefaultFeed):
     A custom feed generator with additional features.
     """
 
-    def __init__(self, request, **kwargs):
+    def __init__(self, request: HttpRequest, **kwargs: Any) -> None:
         super().__init__(**kwargs)
         self.request = request
 
-    def add_root_elements(self, handler) -> None:
+    def add_root_elements(self, handler: SimplerXMLGenerator) -> None:
         super().add_root_elements(handler)
         handler.startElement("image", {})
         handler.addQuickElement("url", self.request.build_absolute_uri("favicon.ico"))

website/common/views.py

@@ -89,7 +89,7 @@ class AllPagesFeed(Feed):
 
         return response
 
-    def feed_extra_kwargs(self, obj):
+    def feed_extra_kwargs(self, obj: None) -> dict:
         return {**super().feed_extra_kwargs(obj), "request": self.request}
 
     def title(self) -> str:
@@ -124,9 +124,10 @@ class AllPagesFeed(Feed):
     def item_description(self, item: BasePage) -> str:
         return getattr(item, "summary", None) or item.title
 
-    def item_categories(self, item: BasePage):
+    def item_categories(self, item: BasePage) -> Optional[list[str]]:
         if tags := getattr(item, "tags", None):
             return tags.order_by("slug").values_list("slug", flat=True)
+        return None
 
     def item_enclosure_url(self, item: BasePage) -> Optional[str]:
         if not hasattr(item, "get_meta_image_url"):