Fix URL in gem dataset for totto config (#4396)

* Fix URL for totto config

* Make style

* Update metadata JSON

Commit from https://github.com/huggingface/datasets/commit/24b7af4b825380d43cbbfe00c48bbc60877e7b09

gem.py

@@ -193,7 +193,7 @@ _URLs = {
         "challenge_set": "https://storage.googleapis.com/huggingface-nlp/datasets/gem/gem_challenge_sets/schema_guided_dialog.zip",
     },
     "totto": {
-        "data": "https://storage.googleapis.com/totto/totto_data.zip",
+        "data": "https://storage.googleapis.com/totto-public/totto_data.zip",
         "challenge_set": "https://storage.googleapis.com/huggingface-nlp/datasets/gem/gem_challenge_sets/totto.zip",
     },
     "web_nlg_en": {
@@ -1170,8 +1170,8 @@ class Gem(datasets.GeneratorBasedBuilder):
                             "highlighted_cells": result["highlighted_cells"],
                             "example_id": str(result["example_id"]),
                             "overlap_subset": str(result["overlap_subset"]),
+                            "sentence_annotations": [] if split == "test" else result["sentence_annotations"],
                         }
-                        response["sentence_annotations"] = [] if split == "test" else result["sentence_annotations"]
                         response["references"] = [
                             sentence["final_sentence"] for sentence in response["sentence_annotations"]
                         ]