Comment 3 for bug 1904781

At the end of the install you also get:

[WARNING]: Failure using method (v2_playbook_on_stats) in callback plugin (<ansible.plugins.callback.validation_json.CallbackModule object at 0x7f06a1236a90>): 'module' object has no attribute 'dumps'

We likely should not have that callback included when commands that aren't validation commands