When generating cases with custom component sets, the program occasionally throws the following error when generating the command for case building: ``` int() argument must be a string, a bytes-like object or a real number, not 'NoneType' ``` Reported by @fzhao70 https://github.com/openjournals/joss-reviews/issues/9130
When generating cases with custom component sets, the program occasionally throws the following error when generating the command for case building:
Reported by @fzhao70
openjournals/joss-reviews#9130