[evaluation] fix: Resolve bandit violations (#37454)

* fix: Use ast.literal_eval to parse string to list

* style: Run black

Author: kdestin

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_common/utils.py

@@ -11,7 +11,6 @@
 import numpy as np
 
 
-
 def get_harm_severity_level(harm_score: int) -> str:
     """Generate harm severity level based on harm score.
 

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_evaluators/_meteor/_meteor.py

@@ -14,9 +14,9 @@ def __init__(self, alpha: float = 0.9, beta: float = 3.0, gamma: float = 0.5):
         self._gamma = gamma
 
         try:
-            nltk.find('corpora/wordnet.zip')
+            nltk.find("corpora/wordnet.zip")
         except LookupError:
-            nltk.download('wordnet')
+            nltk.download("wordnet")
 
     async def __call__(self, *, ground_truth: str, answer: str, **kwargs):
         reference_tokens = nltk_tokenize(ground_truth)

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/simulator/_conversation/constants.py

@@ -25,5 +25,6 @@
 
 class ConversationRole(Enum):
     """Role in a chatbot conversation"""
+
     USER = "user"
     ASSISTANT = "assistant"

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/simulator/_model_tools/models.py

@@ -2,6 +2,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # ---------------------------------------------------------
 # pylint: skip-file
+import ast
 import asyncio
 import copy
 import logging
@@ -234,7 +235,7 @@ def __init__(
             stop = []
         # Else if stop sequence is given as a string (Ex: "["\n", "<im_end>"]"), convert
         elif type(stop) is str and stop.startswith("[") and stop.endswith("]"):
-            stop = eval(stop)
+            stop = ast.literal_eval(stop)
         elif type(stop) is str:
             stop = [stop]
         self.stop: List = stop  # type: ignore[assignment]