Whoops! I could've sworn that said "without", sorry :) Though I'm not sure `__slots__` actually saves any time, as it's really a space optimization. I've tr

Whoops! I could've sworn that said "without", sorry :) Though I'm not sure `__slots__` actually saves any time, as it's really a space optimization. I've tried it before for hot code and even seen very slight (probably not significant) slowdowns.