fix

Author: moritzwilksch

pydantic_ai_slim/pydantic_ai/agent/abstract.py

@@ -521,7 +521,7 @@ async def on_complete() -> None:
                                     messages.append(_messages.ModelRequest(parts))
 
                             yield StreamedRunResult(
-                                list(messages),
+                                messages,
                                 graph_ctx.deps.new_message_index,
                                 stream,
                                 on_complete,
@@ -537,7 +537,7 @@ async def on_complete() -> None:
                     # if a tool function raised CallDeferred or ApprovalRequired.
                     # In this case there's no response to stream, but we still let the user access the output etc as normal.
                     yield StreamedRunResult(
-                        graph_ctx.state.message_history,
+                        list(graph_ctx.state.message_history),
                         graph_ctx.deps.new_message_index,
                         run_result=agent_run.result,
                     )