bart02 opened a new issue, #48451:
URL: https://github.com/apache/airflow/issues/48451

   ### Apache Airflow version
   
   2.10.5
   
   ### If "Other Airflow 2 version" selected, which one?
   
   _No response_
   
   ### What happened?
   
   I have created a DAG where setup task depends on branching operator 
(`do_start_inference`).
   When I start it and branching operator tells that `get_job_id` should be 
started, and `start_serving` should be skipped, get_job_id task also skips even 
if it has ONE_SUCCESS trigger rule.
   This behaviour is only happens when using setup / teardown. If I delete 
`setups=start_serving` from `as_teardown` everything is OK.
   
   Dependencies:
   ```
       benchmarks = [mera, arena_gen, arena_hard, arena_inhouse_gen, 
arena_inhouse_proxy_prod_sample, mbpp_ru, mmlu_pro, math_eval, alpaca_eval, 
mt_bench]
   
       do_start_inference >> [get_job_id, start_serving]
       start_serving >> wait_until_started >> get_job_id >> benchmarks >> 
kill_serving.as_teardown(setups=start_serving)
   
       select_benchmarks_from_params() >> benchmarks >> upload_to_db
   ```
   
   <img width="1029" alt="Image" 
src="https://github.com/user-attachments/assets/50e1105c-8226-4573-8945-39c5621e16a1";
 />
   
   ### What you think should happen instead?
   
   `get_job_id` shouldn't be skipped when using setup / teardown
   
   ### How to reproduce
   
   Create a DAG where setup task depends on branching operator, and run this 
DAG so that the branching operator goes down the branch without a setup.
   
   ### Operating System
   
   MacOS
   
   ### Versions of Apache Airflow Providers
   
   _No response_
   
   ### Deployment
   
   Virtualenv installation
   
   ### Deployment details
   
   standalone
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of 
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
   


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