updated BertModel.__init__ call

modeling_lsg_bert.py

@@ -1023,8 +1023,11 @@ class LSGBertModel(LSGBertPreTrainedModel, BertModel):
 
     def __init__(self, config, add_pooling_layer=True):
         
+        # ensure your LSGBertModel inherits all the necessary fields introduced in the latest Transformers.
+        BertModel.__init__(self, config)
+        
         LSGBertPreTrainedModel.__init__(self, config)
-
+        
         self.config = config
 
         self.embeddings = LSGBertEmbeddings(config)