fix typo (#2820)

lm_eval/tasks/humaneval/README.md

@@ -49,3 +49,4 @@ If other tasks on this dataset are already supported:
 * [ ] Have you noted which, if any, published evaluation setups are matched by this variant?
 
 ### Changelog
+v2 20-MAR-2025: `humaneval_instruct`, `humaneval_instruct_64`: fixed typo in gen_prefix

lm_eval/tasks/humaneval/humaneval_64_instruct.yaml

 include: humaneval_64.yaml
 task: humaneval_64_instruct
 doc_to_text: "Write a solution to the following problem and make sure that it passes the tests:\n```{{prompt}}"
-gen_prefix: "Here is the completed function:\\n```python\\n{{prompt}}\\n"
+gen_prefix: "Here is the completed function:\n```python\n{{prompt}}\n"
 filter_list:
   - name: "create_test"
     filter:
       - function: "custom"
         filter_fn: !function utils.build_predictions_instruct
+metadata:
+  version: 2.0

lm_eval/tasks/humaneval/humaneval_instruct.yaml

 include: humaneval.yaml
 task: humaneval_instruct
 doc_to_text: "Write a solution to the following problem and make sure that it passes the tests:\n```{{prompt}}"
-gen_prefix: "Here is the completed function:\\n```python\\n{{prompt}}\\n"
+gen_prefix: "Here is the completed function:\n```python\n{{prompt}}\n"
 filter_list:
   - name: "create_test"
     filter:
       - function: "custom"
         filter_fn: !function utils.build_predictions_instruct
+metadata:
+  version: 2.0