fix parsing imports

cellfinder.py

@@ -31,6 +31,9 @@ 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
+
 
 _LANGUAGES = ['English']
 _PUBMED = True
@@ -216,7 +219,7 @@ class CellFinderDataset(datasets.GeneratorBasedBuilder):
                     continue
 
                 # Read brat annotations for the given text file and convert example to the source format
-                brat_example = parsing.parse_brat_file(file)
+                brat_example = parse_brat_file(file)
                 source_example = self._to_source_example(file, brat_example)
 
                 yield source_example["document_id"], source_example
@@ -232,8 +235,8 @@ class CellFinderDataset(datasets.GeneratorBasedBuilder):
                     continue
 
                 # Read brat annotations for the given text file and convert example to the BigBio-KB format
-                brat_example = parsing.parse_brat_file(file)
-                kb_example = parsing.brat_parse_to_bigbio_kb(brat_example)
+                brat_example = parse_brat_file(file)
+                kb_example = brat_parse_to_bigbio_kb(brat_example)
                 kb_example["id"] = kb_example["document_id"]
 
                 # Fix text type annotation for the converted example