Update multiconer_v2.py

multiconer_v2.py

@@ -299,13 +299,8 @@ class MultiCoNER2(datasets.GeneratorBasedBuilder):
                 s_id = line.split('\t')[0].split(' ')[-1].strip()
                 guid += 1
                 tokens = []
-                ner_tags = []
-            elif '_ _' in line:
-                # Separator is " _ _ "
-                splits = line.split("_ _")
-                tokens.append(splits[0].strip())
-                ner_tags.append(splits[1].strip())
-            elif len(line.strip()) == 0:
+                ner_tags = []            
+            elif len(line.strip()) < 3:
                 if s_id and len(tokens) >= 1 and len(tokens) == len(ner_tags):
                     yield guid, {
                         "id": s_id,
@@ -317,6 +312,12 @@ class MultiCoNER2(datasets.GeneratorBasedBuilder):
                     ner_tags = []
                 else:
                     continue
+            else:
+                # Separator is " _ _ "
+                splits = line.split()
+                if len(splits) > 2:
+                    tokens.append(splits[0].strip())
+                    ner_tags.append(splits[-1].strip())
         if s_id:
             yield guid, {
                 "id": s_id,