fix: try to get the showId directly if the nested is 0

program/views.py

@@ -567,6 +567,10 @@ class APIScheduleViewSet(
         if show_pk is None:
             show_pk = request.data.get("schedule").get("show_id")
 
+        # FIXME: this is wrong
+        if show_pk == 0:
+            show_pk = request.data.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: