fix the message parsing when there is no content only tool call

mayinghan · mayinghan · commit 550f5327763c · 2025-08-16T15:58:09.000-07:00
diff --git a/eval_protocol/mcp/execution/base_policy.py b/eval_protocol/mcp/execution/base_policy.py
@@ -182,7 +182,7 @@ async def _generate_live_tool_calls(
         # This is crucial for proper tool call ID management in add_tool_response
         assistant_message_for_history = {
             "role": "assistant",
-            "content": response["choices"][0]["message"]["content"],
+            "content": response["choices"][0]["message"].get("content", ""),
         }
         usage_stats = CompletionUsage(
             prompt_tokens=response["usage"]["prompt_tokens"],

Original file line number	Diff line number	Diff line change
`@@ -182,7 +182,7 @@ async def _generate_live_tool_calls(`
`182`	`182`	`# This is crucial for proper tool call ID management in add_tool_response`
`183`	`183`	`assistant_message_for_history = {`
`184`	`184`	`"role": "assistant",`
`185`		`- "content": response["choices"][0]["message"]["content"],`
	`185`	`+ "content": response["choices"][0]["message"].get("content", ""),`
`186`	`186`	`}`
`187`	`187`	`usage_stats = CompletionUsage(`
`188`	`188`	`prompt_tokens=response["usage"]["prompt_tokens"],`