Create a generic form fragment renderer

counter/views/click.py

@@ -416,6 +416,6 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
         kwargs["refill_form"] = self.refill_form or RefillForm()
         kwargs["barmens_can_refill"] = self.object.can_refill()
         kwargs["student_card"] = StudentCardFormView.get_template_data(
-            self.request, self.customer
-        ).as_dict()
+            self.customer
+        ).render(self.request)
         return kwargs