
From PEP8 (https://peps.python.org/pep-0008/#programming-recommendations): > Comparisons to singletons like None should always be done with is or is not, never the equality operators.
From PEP8 (https://peps.python.org/pep-0008/#programming-recommendations): > Comparisons to singletons like None should always be done with is or is not, never the equality operators.