fix typo

binding_affinity.py

@@ -131,6 +131,7 @@ class BindingAffinity(datasets.ArrowBasedBuilder):
                 gen_kwargs={
                     "filepath": files["no_kras"],
                 },
+            ),
 
            datasets.SplitGenerator(
                 name='covalent',
@@ -138,7 +139,6 @@ class BindingAffinity(datasets.ArrowBasedBuilder):
                 gen_kwargs={
                     "filepath": files["cov"],
                 },
-
             ),
         ]