Merge branch 'dygraph' of https://github.com/PaddlePaddle/PaddleOCR into dygraph

test_tipc/configs/det_r50_vd_sast_icdar15_v2.0/train_infer_python.txt

@@ -43,7 +43,7 @@ inference:tools/infer/predict_det.py
 --cpu_threads:1|6
 --rec_batch_num:1
 --use_tensorrt:False
---precision:fp32|fp16|int8
+--precision:fp32|int8
 --det_model_dir:
 --image_dir:./inference/ch_det_data_50/all-sum-510/
 null:null

test_tipc/configs/det_r50_vd_sast_totaltext_v2.0/train_infer_python.txt

@@ -43,7 +43,7 @@ inference:tools/infer/predict_det.py
 --cpu_threads:1|6
 --rec_batch_num:1
 --use_tensorrt:False
---precision:fp32|fp16|int8
+--precision:fp32|int8
 --det_model_dir:
 --image_dir:./inference/ch_det_data_50/all-sum-510/
 null:null