Thanks for that. A related note is for any requirements files. Something like this bit me the other day. Libraryname >=3.1 After a few years,the package was

Thanks for that. A related note is for any requirements files. Something like this bit me the other day. Libraryname >=3.1 After a few years,the package was updated substantially and has lots of breaking changes in the recent branch. Fix was to so ==3.1 until we work out the next step