Oh sorry, you're right. I had my mind in individual hobbyist software projects. For a project with as many contributors as Python, the copyright date should def

Oh sorry, you're right. I had my mind in individual hobbyist software projects. For a project with as many contributors as Python, the copyright date should definitely be listed to avoid trying to contact the developers (most of which will be long gone) for the date of creation once you believe the copyright has expired.