allow multi-datatype-passes for convert_parser

[DeleMike]

Contributor checklist

• This pull request is on a separate branch and not the main branch
• I have tested my code with the pytest command as directed in the testing section of the contributing guide

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Description

Related issue

• closes convert_parser not accepting multiple datatype passes #634

[github-actions]

Thank you for the pull request! ❤️

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[github-actions]

Maintainer Checklist

The following is a checklist for maintainers to make sure this process goes as well as possible. Feel free to address the points below yourself in further commits if you realize that actions are needed :)

• The linting and formatting workflow within the PR checks do not indicate new errors in the files changed

• The CHANGELOG has been updated with a description of the changes for the upcoming release and the corresponding issue (if necessary)

[andrewtavis]

Thanks so much for the fixes here, @DeleMike! Here's hoping that third time is the try to get all of this up and running. Really has been a marathon, and this has been really commendable work 👏😊

[DeleMike]

Thanks so much, @andrewtavis. I am hoping for that too!