chore: import upstream snapshot with attribution

FlagEmbedding/evaluation/custom/data_loader.py

@@ -0,0 +1,15 @@
+import logging
+from tqdm import tqdm
+from typing import List, Optional
+
+from FlagEmbedding.abc.evaluation import AbsEvalDataLoader
+
+logger = logging.getLogger(__name__)
+
+
+class CustomEvalDataLoader(AbsEvalDataLoader):
+    def available_dataset_names(self) -> List[str]:
+        return []
+
+    def available_splits(self, dataset_name: Optional[str] = None) -> List[str]:
+        return ["test"]