Update masader.py

masader.py

@@ -69,7 +69,7 @@ class Masader(datasets.GeneratorBasedBuilder):
             description=_DESCRIPTION,
             features=datasets.Features(
                 {
-                    columns[i]: datasets.Value("string") for i in range(len(columns)),
+                    columns[i]: datasets.Value("string") for i in range(len(columns))
                 }
             ),
             supervised_keys=None,