update loading script

political_advertising_loader.py

@@ -102,11 +102,17 @@ class PoliticalAdvertisingDataset(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepath: str):
         logger.info("⏳ Generating examples from = %s", filepath)
-        df = pd.read_json(filepath)
+        print("⏳ Generating examples from = %s", filepath)
+        df = pd.read_json(
+            filepath,
+            orient="records",
+            dtype={"tokens": list, "tags": list, "url": str, "tweet_id": str},
+        )
+        print(f"Shape: {df.shape}")
 
         for row_id, row in df.iterrows():
             yield row_id, {
                 "id": str(row_id),
-                "tokens": [str(token) for token in row.tokens],
-                "tags": [str(tag) for tag in row.tags],
+                "tokens": row.tokens,
+                "tags": row.tags,
             }