fix text classification deploy mode (PaddlePaddle#1006)

* fix path issue on deploy mode

* fix path issue on deploy mode

Author: linjieccc

examples/text_classification/multi_label/deploy/python/predict.py

@@ -13,12 +13,15 @@
 # limitations under the License.
 
 import argparse
+import sys
 
 import paddle
 import paddle.nn.functional as F
 from paddlenlp.data import Tuple, Pad
 from paddlenlp.transformers import BertTokenizer
 
+sys.path.append('./')
+
 from data import convert_example
 
 # yapf: disable

examples/text_classification/pretrained_models/README.md

@@ -69,7 +69,6 @@ pretrained_models/
 我们以中文情感分类公开数据集ChnSentiCorp为示例数据集，可以运行下面的命令，在训练集（train.tsv）上进行模型训练，并在开发集（dev.tsv）验证
 ```shell
 $ unset CUDA_VISIBLE_DEVICES
-$ export PYTHONPATH=$PYTHONPATH:`pwd`
 $ python -m paddle.distributed.launch --gpus "0" train.py --device gpu --save_dir ./checkpoints
 ```
 

examples/text_classification/pretrained_models/deploy/python/predict.py

@@ -14,6 +14,7 @@
 
 import argparse
 import os
+import sys
 
 import numpy as np
 import paddle
@@ -24,6 +25,8 @@
 from paddlenlp.datasets import load_dataset
 from paddlenlp.utils.log import logger
 
+sys.path.append('./')
+
 from utils import convert_example
 
 # yapf: disable

examples/text_classification/pretrained_models/deploy/serving/client.py

@@ -14,13 +14,16 @@
 
 import argparse
 import numpy as np
+import sys
 
 import paddle
 from paddlenlp.data import Tuple, Pad
 from paddlenlp.transformers import ErnieTinyTokenizer
 from paddle_serving_client import Client
 from scipy.special import softmax
 
+sys.path.append('./')
+
 from utils import convert_example
 
 # yapf: disable