Fix eval() to ast.literal_eval() (Azure#37297)

Co-authored-by: Nagkumar Arkalgud <[email protected]>

Author: nagkumar91

sdk/ai/azure-ai-generative/azure/ai/generative/synthetic/simulator/_model_tools/models.py

@@ -2,6 +2,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # ---------------------------------------------------------
 # pylint: skip-file
+import ast
 import copy
 import time
 import asyncio
@@ -272,7 +273,7 @@ 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]