Update proof-pile-2.py

proof-pile-2.py

@@ -173,7 +173,7 @@ class ProofPile2(datasets.GeneratorBasedBuilder):
                     "data_files": list(map(
                         dl_manager.download, 
                         [
-                            f"https://huggingface.co/datasets/EleutherAI/proof-pile-2/tree/main/{subset}/{split}/{x}"
+                            f"https://huggingface.co/datasets/EleutherAI/proof-pile-2/blob/main/{subset}/{split}/{x}"
                             for subset in self.config.subsets
                             for x in _FILES_MAPPING[subset][split]
                         ]