Remove divide by 0 warnings when running unit tests#4021

timothy-nunn merged 1 commit intomainukaea/PROCESS:mainfrom

1683-on-running-pytest-a-number-of-warnings-are-created-which-need-fixingukaea/PROCESS:1683-on-running-pytest-a-number-of-warnings-are-created-which-need-fixingCopy head branch name to clipboard