set proper output names

convert.py

@@ -13,6 +13,6 @@ inputs = {"input_ids": torch.ones(1, max_seq_length, dtype=torch.int64),
 symbolic_names = {0: 'batch_size', 1: 'max_seq_len'}
 
 torch.onnx.export(model, args=tuple(inputs.values()), f='pytorch_model.onnx', export_params=True, 
-    input_names=['input_ids', 'attention_mask', 'token_type_ids'], output_names=['output'],
+    input_names=['input_ids', 'attention_mask', 'token_type_ids'], output_names=['last_hidden_state'],
     dynamic_axes={'input_ids': symbolic_names, 'attention_mask': symbolic_names, 'token_type_ids': symbolic_names})
 

pytorch_model.onnx

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6bdde0dabded044bf81d8945dc92bd4c15328a056c893cb57ef7bbc5cae80dac
-size 133694646
+oid sha256:193801d38a0df71fdb05a1b0ef38a9911527f54536ceb1fe65fa1ae35e6df35a
+size 133694712