Update sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_evaluators/_common/_base_eval.py

Co-authored-by: Copilot <[email protected]>

Author: slister1001

sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_evaluators/_common/_base_eval.py

@@ -275,7 +275,7 @@ def multi_modal_converter(conversation: Dict) -> List[Dict[str, Any]]:
                 messages = messages[-2:]
 
             for each_turn in messages:
-                if "role" in each_turn:
+                if "role" in each_turn and "content" in each_turn:
                     if each_turn["role"] == "user":
                         user_messages.append(each_turn)
                     elif each_turn["role"] == "assistant":