fix: Resolve broken hover-nlp/hover dataset (#9069)

* Update index.ipynb

* Update index.ipynb

* Update index.ipynb

Author: vincentkoc

docs/docs/tutorials/agents/index.ipynb

@@ -94,7 +94,7 @@
     "from dspy.datasets import DataLoader\n",
     "\n",
     "kwargs = dict(fields=(\"claim\", \"supporting_facts\", \"hpqa_id\", \"num_hops\"), input_keys=(\"claim\",))\n",
-    "hover = DataLoader().from_huggingface(dataset_name=\"hover-nlp/hover\", split=\"train\", trust_remote_code=True, **kwargs)\n",
+    "hover = DataLoader().from_huggingface(dataset_name=\"vincentkoc/hover-parquet\", split=\"train\", trust_remote_code=True, **kwargs)\n",
     "\n",
     "hpqa_ids = set()\n",
     "hover = [\n",

docs/docs/tutorials/multihop_search/index.ipynb

@@ -179,7 +179,7 @@
     "from dspy.datasets import DataLoader\n",
     "\n",
     "kwargs = dict(fields=(\"claim\", \"supporting_facts\", \"hpqa_id\", \"num_hops\"), input_keys=(\"claim\",))\n",
-    "hover = DataLoader().from_huggingface(dataset_name=\"hover-nlp/hover\", split=\"train\", trust_remote_code=True, **kwargs)\n",
+    "hover = DataLoader().from_huggingface(dataset_name=\"vincentkoc/hover-parquet\", split=\"train\", trust_remote_code=True, **kwargs)\n",
     "\n",
     "hpqa_ids = set()\n",
     "hover = [\n",