If I remember correctly the script runtime/ftplugin/python.vim remaps [[, [], ]], etc. to work with Python's idea of blocks. Besides, the plugin michaeljsmith

If I remember correctly the script runtime/ftplugin/python.vim remaps [[, [], ]], etc. to work with Python's idea of blocks. Besides, the plugin michaeljsmith/vim-indent-object defines a new text object ("i"), based on indentation levels.