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https://issues.apache.org/jira/browse/AIRFLOW-2021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16334879#comment-16334879
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Chris Riccomini commented on AIRFLOW-2021:
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We have seen an issue similar to this. It was caused by having a bad version of
Flask installed. Restarting from a clean virtual environment fixed the problem.
> Can't register a GCP connection ID on the web UI
> ------------------------------------------------
>
> Key: AIRFLOW-2021
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2021
> Project: Apache Airflow
> Issue Type: Bug
> Components: webapp
> Affects Versions: 1.9.0
> Reporter: Yu Ishikawa
> Priority: Major
> Attachments: airflow_connections_error.png
>
>
> I was not able to register a GCP connection ID on the web UI. The below error
> messages appeared. I attached a capture image of the web UI.
>
> {noformat}
> Failed to update record. on_model_change() takes exactly 4 arguments (3
> given){noformat}
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