Use object.full_url to avoid incorrectly built URLs for BlogPage from the tag_archive view

bakerydemo/templates/blog/blog_index_page.html

@@ -6,7 +6,7 @@
 
     {% for blog in blogs %}
         <div>
-            <h2><a href="{{ blog.slug }}">{{ blog.title }}</a></h2>
+            <h2><a href="{{ blog.full_url }}">{{ blog.title }}</a></h2>
             {{ blog.body|truncatewords_html:10 }}
 
             {% for tag in blog.get_tags  %}