See New Class vs. Classic Class. This should not have any effect on the behaviour of the code (thankfully all of the more complex classes are already new-style), but it will prevent potential issues in the future (like this one), and make the code more compatible with Python 3, where all classes are new-style.
See New Class vs. Classic Class. This should not have any effect on the behaviour of the code (thankfully all of the more complex classes are already new-style), but it will prevent potential issues in the future (like this one), and make the code more compatible with Python 3, where all classes are new-style.