[deprecation] Make 'py_version' required for 'MessageDefinition.may_be_emitted'#8473

DanielNoord merged 2 commits intopylint-dev:mainpylint-dev/pylint:mainfrom

Pierre-Sassoulas:py-version-not-none-in-message-definitionPierre-Sassoulas/pylint:py-version-not-none-in-message-definitionCopy head branch name to clipboard