pile: Switch download over to backup host temporarily

We can have fallback instead after @researcher2 implements it in best_download

lm_eval/tasks/pile.py

@@ -19,8 +19,8 @@ class PilePerplexityTask(PerplexityTask, abc.ABC):
     def download(self):
         # TODO: separate pile val/test out by component so we don't have to scan the entire file once per set
         os.makedirs("data/pile/", exist_ok=True)
-        download_file("https://the-eye.eu/public/AI/pile/val.jsonl.zst", self.VAL_PATH, "264c875d8bbd355d8daa9d032b75fd8fb91606218bb84dd1155b203fcd5fab92")
-        download_file("https://the-eye.eu/public/AI/pile/test.jsonl.zst", self.TEST_PATH, "0bb28c52d0b5596d389bf179ce2d43bf7f7ffae76b0d2d20b180c97f62e0975e")
+        download_file("http://eaidata.bmk.sh/data/pile/val.jsonl.zst", self.VAL_PATH, "264c875d8bbd355d8daa9d032b75fd8fb91606218bb84dd1155b203fcd5fab92")
+        download_file("http://eaidata.bmk.sh/data/pile/test.jsonl.zst", self.TEST_PATH, "0bb28c52d0b5596d389bf179ce2d43bf7f7ffae76b0d2d20b180c97f62e0975e")
 
     def validation_docs(self):
         rdr = lm_dataformat.Reader(self.VAL_PATH)