Update disrpt.py

disrpt.py

@@ -104,7 +104,7 @@ def parse_conll_stream(file_stream):
             continue
         token_data = line.split('\t') + [doc_id]
         for name, value in zip(names, token_data):
-            if name=='id' and '-' in value:
+            if name=='id' and not value.isnumeric():
                 mwe_id=value.split('-')                
             else:
                 sentence[name].append(value)