Fix merge

libraries/views.py

@@ -53,6 +53,21 @@ class LibraryDetail(CategoryMixin, DetailView):
     model = Library
     template_name = "libraries/detail.html"
 
+    def get_object(self):
+        slug = self.kwargs.get("slug")
+        version = Version.objects.most_recent()
+
+        if not LibraryVersion.objects.filter(
+            version=version, library__slug=slug
+        ).exists():
+            raise Http404("No library found matching the query")
+
+        try:
+            obj = self.get_queryset().get(slug=slug)
+        except queryset.model.DoesNotExist:
+            raise Http404("No library found matching the query")
+        return obj
+
     def get(self, request, *args, **kwargs):
         self.object = self.get_object()
         context = self.get_context_data(object=self.object)