ec2_lc still fails with JSON serialistion error (please re-open #1655)

This ticket ( "ec2_lc fails with TypeError: LaunchConfiguration:test-lc is not JSON serializable (devel branch) #1655 ") was closed but the latest devel code still has the problem

Also see the latest comment with trace info

https://github.com/ansible/ansible-modules-core/issues/1655