update sar postprocess

configs/rec/rec_r31_sar.yml

@@ -19,6 +19,7 @@ Global:
   max_text_length: 30
   infer_mode: False
   use_space_char: False
+  rm_symbol: True
   save_res_path: ./output/rec/predicts_sar.txt
 
 Optimizer:
@@ -47,7 +48,6 @@ Loss:
 
 PostProcess:
   name: SARLabelDecode
-  rm_symbol: True
 
 Metric:
   name: RecMetric

ppocr/postprocess/rec_postprocess.py

@@ -526,10 +526,10 @@ class SARLabelDecode(BaseRecLabelDecode):
                  character_dict_path=None,
                  character_type='ch',
                  use_space_char=False,
-                 rm_symbol=True,
                  **kwargs):
         super(SARLabelDecode, self).__init__(character_dict_path,
                                               character_type, use_space_char)
+	self.rm_symbol = kwargs.get('rm_symbol', True)
 
     def add_special_char(self, dict_character):
         beg_end_str = "<BOS/EOS>"