jroachgolf84 opened a new pull request, #54273:
URL: https://github.com/apache/airflow/pull/54273

   Previously, an error message like the one below was output when an invalid 
Task ID/object containing Task ID's was returned by a `python_callable` as part 
of a `BrnachPythonOperator`. This message was enhanced in this PR.
   
   
   Previous error message:
   
   ```
   AirflowException: 'branch_task_ids' expected all task IDs are strings. 
Invalid tasks found: {(None, 'NoneType')}
   ```
   
   closes: #54224


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