Minor fix to data loader script

xsum.py

@@ -117,3 +117,20 @@ class Xsum(datasets.GeneratorBasedBuilder):
                     exple["gem_parent_id"] = exple["gem_id"]
                     exple["gem_id"] = f"{self.config.name}-{split}-{id_}"
                     yield id_, exple
+	else:
+            with open(filepath, "r", encoding="utf-8") as f:
+                split_ids = json.load(f)
+            for id_, i in enumerate(split_ids[split]):
+                with open(os.path.join(filepaths, i + ".summary"), "r", encoding="utf-8") as f:
+                    text = "".join(
+                        [line for line in f.readlines() if line not in _XSUM_REMOVE_LINES and line.strip()]
+                    )
+                    segs = text.split("[SN]")
+                    yield id_, {
+                        "gem_id": f"{self.config.name}-{split}-{id_}",
+                        "gem_parent_id": f"{self.config.name}-{split}-{id_}",
+                        "xsum_id": i,
+                        "document": segs[8].strip(),
+                        "target": segs[6].strip(),
+                        "references": [] if split == "train" else [segs[6].strip()],
+                    }