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ananyablonko
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Merge https://github.com/google/adk-python/pull/2961 Fixes #2404 Consider code where a sub_agent somewhere under a ParallelAgent has include_contents='none'. ```python import asyncio import os from typing import TypedDict from dotenv import load_dotenv from google.adk.agents import LlmAgent, ParallelAgent, SequentialAgent from google.adk.runners import Runner from google.adk.sessions import DatabaseSessionService, InMemorySessionService from google.genai import types import logging USE_DB=False load_dotenv() logging.basicConfig( filename='log.log', level=logging.DEBUG ) for logger_name in ["httpcore"]: logging.getLogger(logger_name).setLevel(logging.ERROR) class AgentArgs(TypedDict): model: str instruction: str class SessionArgs(TypedDict): user_id: str session_id: str agent_args = AgentArgs( model="gemini-2.0-flash", instruction="Answer 'Ack' and nothing else." ) session_args = SessionArgs( user_id="0", session_id="0" ) app_name = "Test" def create_agent_in_branch(i: int): agent_1 = LlmAgent( name=f"subagent_{i}_1", **agent_args ) agent_2 = LlmAgent( name=f"subagent_{i}_2", include_contents='none', **agent_args ) return SequentialAgent( name=f"agent_{i}", sub_agents=[agent_1, agent_2] ) root = ParallelAgent( name="root", sub_agents=[create_agent_in_branch(i) for i in range(1, 5)] ) runner = Runner( agent=root, app_name=app_name, session_service=DatabaseSessionService(db_url=os.getenv("DB_URL", "")) if USE_DB else InMemorySessionService(), ) async def main() -> None: try: await runner.session_service.delete_session(app_name=app_name, **session_args) except: pass await runner.session_service.create_session(app_name=app_name, **session_args) message = types.Content(role="user", parts=[types.Part(text=" ")]) async for event in runner.run_async(**session_args, new_message=message): if event.is_final_response(): print(((event.content or types.Content()).parts or [types.Part()])[0].text or "") if __name__ == '__main__': asyncio.run(main()) ``` The log here will often have one or more ```subagent_{i}_2``` not receive their prompts from ```subagent_{i}_1```. This inconsistency is caused by the way ```include_contents='none'``` is implemented in flows/llm_flows/contents.py:328-356: ```python for i in range(len(events) - 1, -1, -1): event = events[i] if event.author == 'user' or _is_other_agent_reply(agent_name, event): return _get_contents(current_branch, events[i:], agent_name) return [] ``` That is, we first find the most recent (other-agent / user) event, **even if it's not on our branch**, and then filter the remainder. Thus in the above example, we may sometimes filter out all events, when we expect to have the event of a previous agent in a ```SequentialAgent```. The solution is to first filter events by branch, and only then search for the latest. ### TEST SUMMARY: ``` =================================================== short test summary info =================================================== FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-LoopAgent-LoopAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-google.adk.agents.LoopAgent-LoopAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-google.adk.agents.loop_agent.LoopAgent-LoopAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-ParallelAgent-ParallelAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-google.adk.agents.ParallelAgent-ParallelAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-google.adk.agents.parallel_agent.ParallelAgent-ParallelAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-SequentialAgent-SequentialAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-google.adk.agents.SequentialAgent-SequentialAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[GOOGLE_AI-google.adk.agents.sequential_agent.SequentialAgent-SequentialAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-LoopAgent-LoopAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-google.adk.agents.LoopAgent-LoopAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-google.adk.agents.loop_agent.LoopAgent-LoopAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-ParallelAgent-ParallelAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-google.adk.agents.ParallelAgent-ParallelAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-google.adk.agents.parallel_agent.ParallelAgent-ParallelAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-SequentialAgent-SequentialAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-google.adk.agents.SequentialAgent-SequentialAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_with_sub_agents[VERTEX-google.adk.agents.sequential_agent.SequentialAgent-SequentialAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_llm_agent_with_sub_agents[GOOGLE_AI-LlmAgent-LlmAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_llm_agent_with_sub_agents[GOOGLE_AI-google.adk.agents.LlmAgent-LlmAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_llm_agent_with_sub_agents[GOOGLE_AI-google.adk.agents.llm_agent.LlmAgent-LlmAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_llm_agent_with_sub_agents[VERTEX-LlmAgent-LlmAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_llm_agent_with_sub_agents[VERTEX-google.adk.agents.LlmAgent-LlmAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/agents/test_agent_config.py::test_agent_config_discriminator_llm_agent_with_sub_agents[VERTEX-google.adk.agents.llm_agent.LlmAgent-LlmAgent] - FileNotFoundError: Config file not found: C:\Users\AnanYablonko\AppData\Local\Temp\pytest-of-AnanYablonko\pytest-1\test_age... FAILED tests/unittests/cli/utils/test_cli_tools_click.py::test_cli_run_invokes_run_cli[GOOGLE_AI] - AssertionError: assert 1 == 0 FAILED tests/unittests/cli/utils/test_cli_tools_click.py::test_cli_run_invokes_run_cli[VERTEX] - AssertionError: assert 1 == 0 FAILED tests/unittests/cli/utils/test_cli_tools_click.py::test_cli_eval_with_eval_set_file_path[GOOGLE_AI] - assert 0 == 1 FAILED tests/unittests/cli/utils/test_cli_tools_click.py::test_cli_eval_with_eval_set_file_path[VERTEX] - assert 0 == 1 FAILED tests/unittests/evaluation/test_local_eval_sets_manager.py::TestLocalEvalSetsManager::test_local_eval_sets_manager_update_eval_case_eval_set_not_found[GOOGLE_AI] - OSError: [Errno 22] Invalid argument: '<tests.unittests.evaluation.test_local_eval_sets_manager.TestLocalEvalSetsManager ob... FAILED tests/unittests/evaluation/test_local_eval_sets_manager.py::TestLocalEvalSetsManager::test_local_eval_sets_manager_update_eval_case_eval_set_not_found[VERTEX] - OSError: [Errno 22] Invalid argument: '<tests.unittests.evaluation.test_local_eval_sets_manager.TestLocalEvalSetsManager ob... FAILED tests/unittests/evaluation/test_local_eval_sets_manager.py::TestLocalEvalSetsManager::test_local_eval_sets_manager_delete_eval_case_eval_set_not_found[GOOGLE_AI] - OSError: [Errno 22] Invalid argument: '<tests.unittests.evaluation.test_local_eval_sets_manager.TestLocalEvalSetsManager ob... FAILED tests/unittests/evaluation/test_local_eval_sets_manager.py::TestLocalEvalSetsManager::test_local_eval_sets_manager_delete_eval_case_eval_set_not_found[VERTEX] - OSError: [Errno 22] Invalid argument: '<tests.unittests.evaluation.test_local_eval_sets_manager.TestLocalEvalSetsManager ob... FAILED tests/unittests/sessions/test_session_service.py::test_get_session_with_config[GOOGLE_AI-SessionServiceType.DATABASE] - OSError: [Errno 22] Invalid argument FAILED tests/unittests/sessions/test_session_service.py::test_get_session_with_config[VERTEX-SessionServiceType.DATABASE] - OSError: [Errno 22] Invalid argument ================================= 34 failed, 4540 passed, 3044 warnings in 187.68s (0:03:07) ================================== ``` Co-authored-by: Wei Sun (Jack) <weisun@google.com> COPYBARA_INTEGRATE_REVIEW=https://github.com/google/adk-python/pull/2961 from ananyablonko:main b4a21adcd4231efeffd552a96734b2161b317e0a PiperOrigin-RevId: 828700099