[validation] accept format_kwargs_to_string on Iterable as opposed to List

Signed-off-by: dliu-ibm <dliu@ibm.com>

Author: dliu-ibm

aiu_fms_testing_utils/testing/validation.py

@@ -5,6 +5,7 @@
 from aiu_fms_testing_utils.utils.aiu_setup import dprint
 from aiu_fms_testing_utils._version import version_tuple
 import os
+from collections.abc import Iterable
 
 
 class LogitsExtractorHook(
@@ -128,7 +129,7 @@ def format_kwargs_to_string(**kwargs):
     formatted_pairs = []
     for key, value in kwargs.items():
         formatted_value = None
-        if isinstance(value, list):
+        if isinstance(value, Iterable):
             formatted_value = ",".join(map(str, value))
         elif value:
             formatted_value = str(value)