[charts] Fix chart building

vrobbler/apps/podcasts/views.py

@@ -4,7 +4,11 @@ from django.views import generic
 from podcasts.models import Podcast, PodcastEpisode
 
 from scrobbles.models import Scrobble
-from scrobbles.views import ScrobbleableListView, ScrobbleableDetailView
+from scrobbles.views import (
+    ScrobbleableListView,
+    ScrobbleableDetailView,
+    ChartContextMixin,
+)
 
 
 class PodcastListView(ScrobbleableListView):
@@ -61,7 +65,7 @@ class PodcastListView(ScrobbleableListView):
         return context_data
 
 
-class PodcastDetailView(generic.DetailView):
+class PodcastDetailView(ChartContextMixin, generic.DetailView):
     model = Podcast
     slug_field = "uuid"