Python.sublime-settings

{
    // editor options
    // "draw_white_space": "space",

    // tabs and whitespace
    "auto_indent": true,
    "rulers": [99],
    "tab_size": 4,
    "smart_indent": true,
    "trim_automatic_white_space": true,
    "use_tab_stops": true,
    "word_wrap": true,
    "wrap_width": 90,
    "auto_complete_triggers": [
        {"selector": "source.python", "characters": "."}
    ]
}