Update modeling_chatglm.py

modeling_chatglm.py

@@ -14,6 +14,7 @@ from torch.nn import CrossEntropyLoss, LayerNorm, MSELoss, BCEWithLogitsLoss
 from torch.nn.utils import skip_init
 from typing import Optional, Tuple, Union, List, Callable, Dict, Any
 from copy import deepcopy
+import transformers
 
 from transformers.modeling_outputs import (
     BaseModelOutputWithPast,