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Python: Use the last entry in the task history to avoid empty responses #2101

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Merged
markwallace-microsoft merged 2 commits into from
Nov 11, 2025
Merged

Python: Use the last entry in the task history to avoid empty responses #2101

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Use the last entry in the task history to avoid empty responses
markwallace-microsoft Nov 11, 2025
24fb394
History only contains Messages
markwallace-microsoft Nov 11, 2025
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11 changes: 11 additions & 0 deletions python/packages/a2a/agent_framework_a2a/_agent.py
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Original file line number Diff line number Diff line change
Expand Up @@ -388,6 +388,17 @@ def _task_to_chat_messages(self, task: Task) -> list[ChatMessage]:
if task.artifacts is not None:
for artifact in task.artifacts:
messages.append(self._artifact_to_chat_message(artifact))
elif task.history is not None and len(task.history) > 0:
# Include the last history item as the agent response
history_item = task.history[-1]
contents = self._a2a_parts_to_contents(history_item.parts)
messages.append(
ChatMessage(
role=Role.ASSISTANT if history_item.role == A2ARole.agent else Role.USER,
contents=contents,
raw_representation=history_item,
)
)

return messages

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SYSTEM_READY >> ...MS