apply same list->tuple fix to v1 sched

pylib/anki/sched.py

@@ -291,6 +291,8 @@ limit %d"""
             % (self._deckLimit(), self.reportLimit),
             self.dayCutoff,
         )
+        for i in range(len(self._lrnQueue)):
+            self._lrnQueue[i] = (self._lrnQueue[i][0], self._lrnQueue[i][1])
         # as it arrives sorted by did first, we need to sort it
         self._lrnQueue.sort()
         return self._lrnQueue