Github user tliron commented on the issue:
https://github.com/apache/incubator-ariatosca/pull/199
@mxmrlv You didn't address these:
1. Let's move this to `from aria.utils.yaml import yaml`. I don't think the
aria `__init__.py` is the right place for this.
2. Let's go over *all* places in the codebase where we import ruamel to use
the above.---
