Fix exception handling in get_summary function

main.py

@@ -214,9 +214,13 @@ async def get_summary(dataset_id: str) -> str | None:
 
     try:
         # dataset_id = request.dataset_id
-        card_text = await async_httpx_client.get(
-            f"https://huggingface.co/datasets/{dataset_id}/raw/main/README.md"
-        )
+        try:
+            card_text = await async_httpx_client.get(
+                f"https://huggingface.co/datasets/{dataset_id}/raw/main/README.md"
+            )
+        except Exception as e:
+            logger.error(e)
+            return None
         card_text = card_text.text
         card = DatasetCard(card_text)
         text = card.text
@@ -225,7 +229,6 @@ async def get_summary(dataset_id: str) -> str | None:
             return None
         cache_key = f"predict:{dataset_id}"
         cached_data = await cache.get(cache_key)
-
         if cached_data is not None:
             cached_summary, cached_last_modified_time = cached_data
             # Get the current last modified time of the dataset