add import of get_texts_and_offsets_from_bioc_ann (#2)

- add import of get_texts_and_offsets_from_bioc_ann (5a65d2c889630646331498369938b2f2b235aa5e)

nlm_gene.py

@@ -23,6 +23,8 @@ from bioc import biocxml
 from .bigbiohub import kb_features
 from .bigbiohub import BigBioConfig
 from .bigbiohub import Tasks
+from .bigbiohub import get_texts_and_offsets_from_bioc_ann
+
 
 _LANGUAGES = ['English']
 _PUBMED = True