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The best vimrc really depends on the user, I think you should drive your question towards specific configuration points (navigation, search, plugins) instead of searching for the "best vimrc". (also because mine is the best ;) )
Also, instead of looking for python, I would really recommend trying doing with "raw" vim and incrementing as your need comes. I think it's worth trying and adding bits of config now and then. But if you search for the "best" config, I would say: confluence.jetbrains.com/display/PYH/…
.vimrc
here: github.com/DJMcMayhem/dotFiles/blob/master/.vimrc They're not all set with python in mind, but IMO they're reasonable and useful starting settings.