Proper namespaces for plugin URLs

src/pretix/plugins/banktransfer/views.py

@@ -125,7 +125,7 @@ class ImportView(EventPermissionRequiredMixin, TemplateView):
         })
 
     def redirect_back(self):
-        return redirect(reverse('plugins:banktransfer.import', kwargs={
+        return redirect(reverse('plugins:banktransfer:import', kwargs={
             'event': self.request.event.slug,
             'organizer': self.request.event.organizer.slug,
         }))