修复使用gpu时报错的bug

csc_model.py

@@ -302,6 +302,9 @@ class ReaLiseForCSC(BertPreTrainedModel):
         bert_hiddens = self.bert(input_ids, attention_mask=attention_mask)[0]
 
         pho_embeddings = self.pho_embeddings(pho_idx)
+
+        if torch.is_tensor(pho_lens):
+            pho_lens = pho_lens.tolist()
         pho_embeddings = torch.nn.utils.rnn.pack_padded_sequence(
             input=pho_embeddings,
             lengths=pho_lens,