assert replace raise ValueError

paddlehub/reader/nlp_reader.py

@@ -302,8 +302,7 @@ class SequenceLabelReader(BaseReader):
         return return_list
 
     def _reseg_token_label(self, tokens, labels, tokenizer):
-        if len(tokens) != len(labels):
-            raise ValueError("The length of tokens must be same with labels")
+        assert len(tokens) == len(labels)
         ret_tokens = []
         ret_labels = []
         for token, label in zip(tokens, labels):
@@ -319,8 +318,7 @@ class SequenceLabelReader(BaseReader):
                 sub_label = "I-" + label[2:]
             ret_labels.extend([sub_label] * (len(sub_token) - 1))
 
-        if len(ret_tokens) != len(labels):
-            raise ValueError("The length of ret_tokens can't match with labels")
+        assert len(ret_tokens) == len(ret_labels)
         return ret_tokens, ret_labels
 
     def _convert_example_to_record(self, example, max_seq_length, tokenizer):