Fix minor error

slue-phase-2.py

@@ -435,12 +435,20 @@ class SLUE2(datasets.GeneratorBasedBuilder):
                         data_dir, split,
                         row["id"] + ".flac"
                     )
+                    if "title" not in row:
+                        title_str=[]
+                    else:
+                        title_str=row["title"]
+                    if "abstract" not in row:
+                        abstract_str=[]
+                    else:
+                        abstract_str=row["abstract"]
                     example = {
                         "id": row["id"],
                         "audio": audio_file,
                         "speaker": row["speaker"],
                         "transcript": row["transcript"],
-                        "title": eval(row.get("title", "[]")),
-                        "abstract": eval(row.get("abstract", "[]")),
+                        "title": title_str,
+                        "abstract": abstract_str,
                     }
                 yield idx, example