Change Config attributes for url

BLURB.py

@@ -41,8 +41,6 @@ _VERSION = "1.0.0"
 
 DATA_DIR = "blurb/"
 
-BASE_URL_NER = "https://github.com/cambridgeltl/MTL-Bioinformatics-2016/tree/master/data/"
-
 logger = datasets.logging.get_logger(__name__)
 
 CITATION_BC5_CHEM = """@article{article,
@@ -60,7 +58,7 @@ doi = {10.1093/database/baw068}
 class BlurbConfig(datasets.BuilderConfig):
     """BuilderConfig for BLURB."""
 
-    def __init__(self, task, data_url, citation, url, label_classes=("False", "True"), **kwargs):
+    def __init__(self, task, data_url, citation, label_classes=("False", "True"), **kwargs):
         """BuilderConfig for BLURB.
         Args:
             task: `string` task the dataset is used for: 'ner', 'pico', 'rel-ext', 'sent-sim', 'doc-clas', 'qa'
@@ -88,7 +86,7 @@ class BlurbConfig(datasets.BuilderConfig):
                                                       datasets.features.ClassLabel(names=self.label_classes)
                                                   )}
                                           )
-            self.base_url = f"{BASE_URL_NER}{self.name}/"
+            self.base_url = f"{self.data_url}{self.name}/"
             self.urls = {
                         "train": f"{self.base_url}{'train.tsv'}",
                         "validation": f"{self.base_url}{'devel.tsv'}",
@@ -104,6 +102,7 @@ class Blurb(datasets.GeneratorBasedBuilder):
   BUILDER_CONFIGS = [
     BlurbConfig(name='BC5CDR-chem-IOB', task='ner', label_classes=['O', 'B-Chemical', 'I-Chemical'],
                     version=datasets.Version(_VERSION),
+                    data_url = "https://github.com/cambridgeltl/MTL-Bioinformatics-2016/tree/master/data/"
                     description='BC5-CHEM',
                     citation=CITATION_BC5_CHEM)
   ]