adding typing support for python 3.8 (#1)

tools/benchmarks/llm_eval_harness/meta_eval/meta_template/ifeval/utils.py

@@ -1,24 +1,24 @@
 import dataclasses
-from typing import Dict, Optional, Union
+from typing import Dict, Optional, Union, List
 
 from lm_eval.tasks.ifeval import instructions_registry
 
 
 @dataclasses.dataclass
 class InputExample:
     key: int
-    instruction_id_list: list[str]
+    instruction_id_list: List[str]
     prompt: str
-    kwargs: list[Dict[str, Optional[Union[str, int]]]]
+    kwargs: List[Dict[str, Optional[Union[str, int]]]]
 
 
 @dataclasses.dataclass
 class OutputExample:
-    instruction_id_list: list[str]
+    instruction_id_list: List[str]
     prompt: str
     response: str
     follow_all_instructions: bool
-    follow_instruction_list: list[bool]
+    follow_instruction_list: List[bool]
 
 
 def test_instruction_following_strict(
@@ -32,7 +32,7 @@ def test_instruction_following_strict(
     for index, instruction_id in enumerate(instruction_list):
         instruction_cls = instructions_registry.INSTRUCTION_DICT[instruction_id]
         instruction = instruction_cls(instruction_id)
-                
+
         # Remove None values from kwargs to avoid unexpected keyword argument errors in build_description method.
         kwargs = {k: v for k, v in inp.kwargs[index].items() if v}
         instruction.build_description(**kwargs)