eladkal commented on a change in pull request #18471:
URL: https://github.com/apache/airflow/pull/18471#discussion_r715621156
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File path: airflow/operators/python.py
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@@ -178,6 +178,8 @@ class BranchPythonOperator(PythonOperator, SkipMixin):
def execute(self, context: Dict):
branch = super().execute(context)
+ if branch is None:
+ raise AirflowException("Branch callable must return at least one
task_id to follow")
Review comment:
yeah this is something I had in mind - added it in last commit
In general this is something we should have in skipmixin as it's logic
shared by all branch operators.
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