Small fixes for Warnings found by PyCharm, mostly spellingerrors.

src/content/sitemaps.py

@@ -8,7 +8,7 @@ class ArticleSitemap(GenericSitemap):
     min_priority = 0.25
 
     @staticmethod
-    def items():
+    def items(**kwargs):
         """only add published articles to the sitemap"""
         return Article.objects.published()
 
@@ -18,6 +18,6 @@ class PageSitemap(GenericSitemap):
     min_priority = 0.5
 
     @staticmethod
-    def items():
+    def items(**kwargs):
         """add all pages to the sitemap."""
         return Page.objects.all()