fix: get the showId from the schedule in the request

program/views.py

@@ -558,6 +558,9 @@ class APIScheduleViewSet(
 
         pk, show_pk = get_values(self.kwargs, "pk", "show_pk")
 
+        if show_pk is None:
+            show_pk = request.data.get("schedule").get("show_id")
+
         # Only allow creating when calling /shows/{show_pk}/schedules/ and with ehe `schedule` JSON
         # object
         if show_pk is None or "schedule" not in request.data: