local getmetatable, setmetatable = getmetatable, setmetatable
local rawget, rawset, unpack = rawget, rawset, unpack
local getmetatable, setmetatable = getmetatable, setmetatable
local rawget, rawset, unpack = rawget, rawset, unpack
-local tostring, type, assert = tostring, type, assert
+local tostring, type, assert, error = tostring, type, assert, error
local ipairs, pairs, next, loadstring = ipairs, pairs, next, loadstring
local require, pcall, xpcall = require, pcall, xpcall
local collectgarbage, get_memory_limit = collectgarbage, get_memory_limit
local ipairs, pairs, next, loadstring = ipairs, pairs, next, loadstring
local require, pcall, xpcall = require, pcall, xpcall
local collectgarbage, get_memory_limit = collectgarbage, get_memory_limit
-- Pythonic string formatting extension
--
getmetatable("").__mod = function(a, b)
-- Pythonic string formatting extension
--
getmetatable("").__mod = function(a, b)