fix fewshot

tasks.py

@@ -82,7 +82,9 @@ class Task:
 
             test_ds = test_ds.map(
                 lambda example: {
-                    self.input_column: few_shot_prompts + example[self.input_column],
+                    self.input_column: few_shot_prompts
+                    + "\n"
+                    + example[self.input_column],
                 }
             )