Set a few options for better Pythoning.

lua/user/options.lua

@@ -23,8 +23,8 @@ local options = {
   updatetime = 300,                        -- faster completion (4000ms default)
   writebackup = true,                      -- Write a backup file, before saving.
   expandtab = true,                        -- convert tabs to spaces
-  shiftwidth = 2,                          -- the number of spaces inserted for each indentation
-  tabstop = 2,                             -- insert 2 spaces for a tab
+  shiftwidth = 4,                          -- the number of spaces inserted for each indentation
+  tabstop = 4,                             -- insert 2 spaces for a tab
   cursorline = true,                       -- highlight the current line
   cursorcolumn = true,                     -- Enable a vertical column, that makes a code cross-hair on the current column.
   number = true,                           -- set numbered lines