Describe the change
As noted in #433, two conditionals were flipped to incorrect logic, causing a mix of types in string and dictionary fields. This change fixes those conditionals to be more accurate to the original intent.

Closes #433.

Describe testing procedures
Reran tests with valid output

Sample output
N/A

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of and tested my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings