fix parse_brat_file import (#2)

- fix parse_brat_file import (157597131f4739a68fa1ed1f2d34af034888cf97)

an_em.py

@@ -29,6 +29,8 @@ import datasets
 from .bigbiohub import kb_features
 from .bigbiohub import BigBioConfig
 from .bigbiohub import Tasks
+from .bigbiohub import parse_brat_file
+
 
 _LANGUAGES = ['English']
 _PUBMED = True
@@ -205,7 +207,7 @@ class AnEMDataset(datasets.GeneratorBasedBuilder):
                 # Use brat text files and consider files in the provided split list
                 if (file.suffix != ".txt") or (file.stem not in split_list):
                     continue
-                brat_parsed = parse.parse_brat_file(file)
+                brat_parsed = parse_brat_file(file)
                 source_example = self._brat_to_source(file, brat_parsed)
 
                 yield source_example["document_id"], source_example
@@ -216,7 +218,7 @@ class AnEMDataset(datasets.GeneratorBasedBuilder):
                 # Use brat text files and consider files in the provided split list
                 if (file.suffix != ".txt") or (file.stem not in split_list):
                     continue
-                brat_parsed = parse.parse_brat_file(file)
+                brat_parsed = parse_brat_file(file)
                 bigbio_kb_example = parse.brat_parse_to_bigbio_kb(brat_parsed)
 
                 bigbio_kb_example["id"] = bigbio_kb_example["document_id"]