chebi: fix for prepare data

Author: aditya0by0

chebai/preprocessing/datasets/chebi.py

@@ -175,6 +175,8 @@ def _perform_data_preparation(self, *args: Any, **kwargs: Any) -> None:
         Returns:
             None
         """
+        super()._perform_data_preparation(args, kwargs)
+
         if self.chebi_version_train is not None:
             if not os.path.isfile(
                 os.path.join(