diff --git a/src/wrapper.lua b/src/wrapper.lua
index e1a2034..a5db0bc 100644
--- a/src/wrapper.lua
+++ b/src/wrapper.lua
@@ -8,16 +8,16 @@ end)(setmetatable({
     __call = function(self, mod_name)
         local mod_cache, ret_cache = self[1], self[2]
         local mod, ret = mod_cache[mod_name], ret_cache[mod_name]
-        
+
         if not mod then
             return require(mod_name)
         end
-        
+
         if mod and not ret then
             ret_cache[mod_name] = mod(self)
             ret = ret_cache[mod_name]
         end
-        
+
         return ret
     end, __metatable = false
 }))
\ No newline at end of file