fix bigbio imports

mlee.py

@@ -26,6 +26,8 @@ import datasets
 from .bigbiohub import kb_features
 from .bigbiohub import BigBioConfig
 from .bigbiohub import Tasks
+from .bigbiohub import parse_brat_file
+from .bigbiohub import brat_parse_to_bigbio_kb
 
 _SOURCE_VIEW_NAME = "source"
 _UNIFIED_VIEW_NAME = "bigbio"
@@ -263,14 +265,14 @@ class MLEE(datasets.GeneratorBasedBuilder):
         if self.config.schema == "source":
             txt_files = list(data_files.glob("*txt"))
             for guid, txt_file in enumerate(txt_files):
-                example = parsing.parse_brat_file(txt_file)
+                example = parse_brat_file(txt_file)
                 example["id"] = str(guid)
                 yield guid, example
         elif self.config.schema == "bigbio_kb":
             txt_files = list(data_files.glob("*txt"))
             for guid, txt_file in enumerate(txt_files):
-                example = parsing.brat_parse_to_bigbio_kb(
-                    parsing.parse_brat_file(txt_file)
+                example = brat_parse_to_bigbio_kb(
+                    parse_brat_file(txt_file)
                 )
                 example = self._standardize_arguments_roles(example)
                 example["id"] = str(guid)