better description, blackformat

citesum.py

@@ -28,9 +28,10 @@ logger = datasets.logging.get_logger(__name__)
 _HOMEPAGE = "https://github.com/morningmoni/CiteSum"
 
 _DESCRIPTION = """\
-Citation Text-guided Scientific Extreme Summarization and Low-resource Domain Adaptation
-CiteSum contains TLDR summaries for scientific papers from their citation texts without human annotation.
-CiteSum is around 30 times larger than the previous human-curated dataset SciTLDR.
+CiteSum: Citation Text-guided Scientific Extreme Summarization and Low-resource Domain Adaptation.  
+
+CiteSum contains TLDR summaries for scientific papers from their citation texts without human annotation, 
+making it around 30 times larger than the previous human-curated dataset SciTLDR.
 """
 
 # The second citation introduces the source data, while the first
@@ -49,7 +50,9 @@ _CITATION = """\
 
 """
 
-_DOWNLOAD_URL = "https://drive.google.com/uc?export=download&id=1ndHCREXGSPnDUNllladh9qCtayqbXAfJ"
+_DOWNLOAD_URL = (
+    "https://drive.google.com/uc?export=download&id=1ndHCREXGSPnDUNllladh9qCtayqbXAfJ"
+)
 
 
 class CiteSumConfig(datasets.BuilderConfig):
@@ -104,7 +107,7 @@ class CiteSum(datasets.GeneratorBasedBuilder):
             datasets.SplitGenerator(
                 name=split,
                 gen_kwargs={
-                    "filepath": os.path.join(dl_path,  file_mapping[split]),
+                    "filepath": os.path.join(dl_path, file_mapping[split]),
                 },
             )
             for split in [