refactor: Address issues raised by linter

1 files changed, 2 insertions, 10 deletions

diff --git a/src/mime.lua b/src/mime.lua
index d3abac5..93539de 100644
--- a/src/mime.lua
+++ b/src/mime.lua
@@ -10,7 +10,6 @@
 local base = _G
 local ltn12 = require("ltn12")
 local mime = require("mime.core")
-local string = require("string")
 local _M = mime
 
 -- encode, decode and wrap algorithm tables
@@ -18,7 +17,7 @@ local encodet, decodet, wrapt = {},{},{}
 
 _M.encodet = encodet
 _M.decodet = decodet
-_M.wrapt   = wrapt  
+_M.wrapt   = wrapt
 
 -- creates a function that chooses a filter by name from a given table
 local function choose(table)
@@ -27,7 +26,7 @@ local function choose(table)
             name, opt1, opt2 = "default", name, opt1
         end
         local f = table[name or "nil"]
-        if not f then 
+        if not f then
             base.error("unknown key (" .. base.tostring(name) .. ")", 3)
         else return f(opt1, opt2) end
     end
@@ -52,13 +51,6 @@ decodet['quoted-printable'] = function()
     return ltn12.filter.cycle(_M.unqp, "")
 end
 
-local function format(chunk)
-    if chunk then
-        if chunk == "" then return "''"
-        else return string.len(chunk) end
-    else return "nil" end
-end
-
 -- define the line-wrap filters
 wrapt['text'] = function(length)
     length = length or 76