add nullptr after free()

雾聪

2024-01-15 167d74d5982160b6e1819666af5c128ee353ca50

 funasr/train_utils/trainer.py

@@ -126,7 +126,6 @@
         if self.rank == 0:
            self._save_checkpoint(epoch)
         self.scheduler.step()
         break
   
   def _train_epoch(self, epoch):
      """