autofix: python objects gets reformatting wrongly in yaml files

[ssbarnea]

Summary

When using autofix a change like below will be seen, which breaks the files. This was observed with devtools mkdocs.yml files, which happen to make use of this unpopular YAML feature (constructor tags):

format: !!python/name:pymdownx.superfences.fence_code_format
format: !!%20%20python/name:pymdownx.superfences.fence_code_format

Issue Type

• Bug Report

OS / ENVIRONMENT

ansible-lint --version

• ansible installation method: one of source, pip, OS package
• ansible-lint installation method: one of source, pip, OS package

STEPS TO REPRODUCE

Desired Behavior

Possible security bugs should be reported via email to security@ansible.com

Actual Behavior

Please give some details of what is happening. Include a minimum complete
verifiable example with:

• minimized playbook to reproduce the error
• the output of running ansible-lint including the command line used
• if you're getting a stack trace, also the output of
  ansible-playbook --syntax-check playbook