fix: resolve Python 3.8 CI pipeline failures #822.

[berrytern]

Link to Github issue or other discussion

_Issue - #822

What does this PR do?

_Replace this text - Remove pyparsing pre-release version

What changes were made?

Replace this text - State clearly the direct additions or modifications made in this pull request.

How to test / verify this PR?

Python version: 3.8.19

_install dependencies - python setup.py install
_run tests - python tests/unit_tests.py

Interested Parties

@mjordan_

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Checklist

• Before opening this PR, have you opened an issue explaining what you want to to do?
• Have you included some configuration and/or CSV files useful for testing this PR?
• Have you written unit or integration tests if applicable?
• Does the code added in this PR require a version of Python that is higher than the current minimum version?
• If the changes in this PR require an additional Python library, have you included it in setup.py?
• If the changes in this PR add a new configuration option, have you provided a default for when the option is not present in the .yml file?