changed tokenization

ref_seg_ger.py

@@ -19,7 +19,7 @@ import os
 import numpy as np
 from PIL import Image
 from tokenizers import pre_tokenizers
-from tokenizers.pre_tokenizers import Digits, Split, Whitespace
+from tokenizers.pre_tokenizers import Digits, Split, Whitespace, Sequence
 import datasets
 from itertools import chain
 import pandas as pd
@@ -143,9 +143,14 @@ class RefSeg(datasets.GeneratorBasedBuilder):
 
     # DEFAULT_CONFIG_NAME = "small"  # It's not mandatory to have a default configuration. Just use one if it make sense.
 
-    #split_tokens = [".", ":", ",",";","/","-","(", ")"]
+    split_tokens = [".", ":", ",", ";", "/", "-", "(", ")"]
 
-    TOKENIZER = Whitespace()
+    TOKENIZER = Sequence([
+                       Whitespace(),
+                       Digits(),
+                   ] + [Split(x, behavior="isolated") for x in split_tokens])
+
+    #TOKENIZER = Whitespace()
 
     def _info(self):
         # TODO: This method specifies the datasets.DatasetInfo object which contains informations and typings for the dataset