Fix pgp multi-key with id lookup

app/pgp/views.py

@@ -44,6 +44,9 @@ class PublicKeyFingerprintDetailView(PermissionRequiredMixin, DetailView):
             key = queryset.get()
         except queryset.model.DoesNotExist:
             raise Http404("No OpenPGP Public Key found %matching the query")
+        except queryset.model.MultipleObjectsReturned:
+            # Lookup was with ID, assume the same key matched multple times
+            return queryset.all()[0]
         return key
 
 class PublicKeyCreateView(PermissionRequiredMixin, CreateView):