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https://issues.apache.org/jira/browse/AIRFLOW-3975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jarek Potiuk updated AIRFLOW-3975:
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Fix Version/s: 2.0.0
> Handle null values in attr renderers
> ------------------------------------
>
> Key: AIRFLOW-3975
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3975
> Project: Apache Airflow
> Issue Type: Improvement
> Reporter: Joshua Carp
> Assignee: Joshua Carp
> Priority: Trivial
> Fix For: 2.0.0
>
>
> Some renderers in `attr_renderers` raise unhandled exceptions when given null
> inputs. For example, the `python_callable` renderer raises an error if passed
> `None`. Some operators allow null values for this attribute, such as
> `TriggerDagRunOperator`. I think all renderers should handle null input by
> returning the empty string and not raising an exception.
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