diff --git a/tapex/data_utils/preprocess_bpe.py b/tapex/data_utils/preprocess_bpe.py
index ec4f7d3..054c379 100644
--- a/tapex/data_utils/preprocess_bpe.py
+++ b/tapex/data_utils/preprocess_bpe.py
@@ -7,14 +7,14 @@ A wrapper to wrap the BPE preprocessing procedure for different tasks:
 2. TableFT tasks - Class setting (TabFact)
 """
 import argparse
-import os
-import shutil
-import tarfile
 import logging
-from fairseq.examples.roberta.multiprocessing_bpe_encoder import main as bpe_main
-from common.download import download_model_weights, download_bpe_files
+import os
 import sys
 
+from fairseq.examples.roberta.multiprocessing_bpe_encoder import main as bpe_main
+
+from tapex.common.download import download_model_weights, download_bpe_files
+
 logger = logging.getLogger(__name__)
 
 
diff --git a/tapex/processor/table_truncate.py b/tapex/processor/table_truncate.py
index d3334d8..ba5253a 100644
--- a/tapex/processor/table_truncate.py
+++ b/tapex/processor/table_truncate.py
@@ -111,7 +111,7 @@ class RowDeleteTruncate(TableTruncate):
     def estimate_delete_ratio(self, table_content: Dict, question: str):
         assert "header" in table_content and "rows" in table_content
         number_of_rows = len(table_content["rows"])
-        # calculate the tokens of header, special tokens will only be pre-prended into question
+        # calculate the tokens of header, special tokens will only be pre-prepended into question
         question_tokens = self.tokenizer.tokenize(question, add_special_tokens=True)
         # calculate the tokens of header
         header_string = self.table_linearize.process_header(table_content["header"])