Fix text_features typo

bioasq_2021_mesinesp.py

@@ -49,7 +49,7 @@ from typing import Dict, List, Tuple
 
 import datasets
 
-from .bigbiohub import text.features
+from .bigbiohub import text_features
 from .bigbiohub import BigBioConfig
 from .bigbiohub import Tasks
 
@@ -210,7 +210,7 @@ class Bioasq2021MesinespDataset(datasets.GeneratorBasedBuilder):
                 }
             )
         elif self.config.schema == "bigbio_text":
-            features = text.features
+            features = text_features
 
         return datasets.DatasetInfo(
             description=_DESCRIPTION,