Fix DeprecationWarning for BaseException.message
Fix DeprecationWarning for BaseException.message

This addresses Bug [#313274]

swvist/Debexpo,jadonk/debexpo,jonnylamb/debexpo,jadonk/debexpo,swvist/Debexpo,jadonk/debexpo,swvist/Debexpo,jonnylamb/debexpo,jonnylamb/debexpo