 or
            `None` if safety checking could not be performed.
    """ To learn more, read this section of the ~Don’t~ Repeat Yourself* blog post.  How to write a good issue The better your issue is written, the higher the chances that it will be quickly resolved. Make sure that you’ve used the correct template for your issue. You can pick between Bug Report, Feature Request, Feedback about API Design, New model/pipeline/scheduler addition, 