Update multiconer_v2.py

multiconer_v2.py

@@ -307,12 +307,11 @@ class MultiCoNER2(datasets.GeneratorBasedBuilder):
                         tokens = []
                         ner_tags = []
                 else:
-                    # Separator is " _ _ "
-                    splits = line.split(" _ _ ")
-                    print(line)
-                    print(splits)
-                    tokens.append(splits[0].strip())
-                    ner_tags.append(splits[1].strip())
+                    if '_ _' in line:
+                        # Separator is " _ _ "
+                        splits = line.split("_ _")                        
+                        tokens.append(splits[0].strip())
+                        ner_tags.append(splits[1].strip())
 
             # last example
             yield guid, {