fix issue I5OMSN

Signed-off-by: 徐锦明 <532925744@qq.com>

official/nlp/lstm/README.md

@@ -419,7 +419,7 @@ Ascend:
 python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT] --config_path [YAML_CONFIG_PATH]
 ```
 
-- `weight.txt` is required, please generate it by run preprocess.py. Then you will see this file in /preprocess.
+- `weight.txt` is required, it will be generated with mindrecords by training model.
 - `ckpt_file` parameter is required.
 - `FILE_FORMAT` should be in ["AIR", "MINDIR", "ONNX"].
 - `YAML_CONFIG_PATH` default is `default_config.yaml`.

official/nlp/lstm/README_CN.md

@@ -421,7 +421,7 @@ Ascend:
 python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT] --config_path [YAML_CONFIG_PATH]
 ```
 
-- `weight.txt` 文件在导出脚本中要用到，需要运行preprocess.py文件生成。
+- `weight.txt` 文件需要在训练模型时获得。
 - `ckpt_file` 是必需的。
 - `FILE_FORMAT` 必须在 ["AIR", "MINDIR", "ONNX"]中进行选择。
 - `YAML_CONFIG_PATH` 默认是 `default_config.yaml`。

official/nlp/lstm/preprocess.py

@@ -18,13 +18,12 @@
 import os
 import numpy as np
 
-from src.dataset import lstm_create_dataset, convert_to_mindrecord
+from src.dataset import lstm_create_dataset
 from src.model_utils.config import config
 
 
 if __name__ == '__main__':
     print("============== Starting Data Pre-processing ==============")
-    convert_to_mindrecord(config.embed_size, config.aclimdb_path, config.preprocess_path, config.glove_path)
     dataset = lstm_create_dataset(config.preprocess_path, config.batch_size, training=False)
     img_path = os.path.join(config.result_path, "00_data")
     os.makedirs(img_path)