oleg-savko opened a new issue, #20845: URL: https://github.com/apache/superset/issues/20845
After upgrading superset to 2.0, it cant render a chart with Event Annotation on dashboard and return: ``` Unexpected error An error occurred while rendering the visualization: TypeError: Cannot use 'in' operator to search for 'columns' in undefined ```   If remove annotation chart render properly. Expected: chart with event annotation worked as before. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
