Fix Dockerfile build issue

autorag/data/qa/generation_gt/base.py

@@ -0,0 +1,16 @@
+from typing import Dict
+
+
+def add_gen_gt(row: Dict, new_gen_gt: str) -> Dict:
+	if "generation_gt" in list(row.keys()):
+		if isinstance(row["generation_gt"], list):
+			row["generation_gt"].append(new_gen_gt)
+		elif isinstance(row["generation_gt"], str):
+			row["generation_gt"] = [row["generation_gt"], new_gen_gt]
+		else:
+			raise ValueError(
+				"generation_gt should be either a string or a list of strings."
+			)
+		return row
+	row["generation_gt"] = [new_gen_gt]
+	return row