"Explicit is better than implicit." If you mean is not None, you should say is n...

		glimcat on July 9, 2014 \| parent \| context \| favorite \| on: Anti-Patterns in Python Programming `"Explicit is better than implicit."` If you mean is not None, you should say is not None. It's fast and readable and there are no "just be aware that" disclaimers to tack on afterwards.