Some of the objects passed in the format are not strings, but objects which have a string representation. Without this change we get this error:
``` TypeError: non-empty format string passed to object.__format__ ``` I'll improve this line a bit (using named args, rather than positional) which will help a little bit [ Full content available at: https://github.com/apache/incubator-airflow/pull/3841 ] This message was relayed via gitbox.apache.org for [email protected]
