Set hash none for split

Author: JATAYU000

openml/tasks/split.py

@@ -109,28 +109,7 @@ def __eq__(self, other: Any) -> bool:
                 return False
         return True
 
-    def __hash__(self) -> int:
-        split_items = []
-        for repetition in sorted(self.split):
-            for fold in sorted(self.split[repetition]):
-                for sample in sorted(self.split[repetition][fold]):
-                    train, test = self.split[repetition][fold][sample]
-                    split_items.append(
-                        (
-                            repetition,
-                            fold,
-                            sample,
-                            hash(train.tobytes()),
-                            hash(test.tobytes()),
-                        )
-                    )
-        return hash(
-            (
-                self.name,
-                self.description,
-                tuple(split_items),
-            )
-        )
+    __hash__ = None  # type: ignore
 
     @classmethod
     def _from_arff_file(cls, filename: Path) -> OpenMLSplit:  # noqa: C901, PLR0912