Update scrolls.py

scrolls.py

@@ -309,7 +309,7 @@ class Scrolls(datasets.GeneratorBasedBuilder):
 
                 if self.config.name == "quality":
                     is_hard = row.pop("is_hard", False)
-                    if self.config.hard_only and is_hard:
+                    if self.config.hard_only and not is_hard:
                         continue
 
                 yield row["pid"], row