[bugfix] fix AWS triggers where deserialization would crash if region was not specified #32729
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the region is not serialized if it's None, so if a trigger has a non-optional region and we pass
None
to it manually, it doesn't get serialized, and the code crashes when trying to rebuild the trigger from the serialized params, complaining about a missing "region_name" argument.airflow/airflow/providers/amazon/aws/triggers/base.py
Lines 103 to 105 in 05f1acf