pool.rb in celluloid-0.18.0.pre2

- old
+ new

@@ -1,7 +1,5 @@
-require "thread"
-
 module Celluloid
   class Group
     class Pool < Group
       # You do not want to use this. Truly, you do not. There is no scenario when you will.
       # But. If you somehow do.. `Celluloid.group_class = Celluloid::Group::Pool` and weep.
@@ -10,10 +8,10 @@
 
       def initialize
         super
         @mutex = Mutex.new
         @idle_threads = []
-        @group  = []
+        @group = []
         @busy_size = 0
         @idle_size = 0
 
         # TODO: should really adjust this based on usage
         @max_idle = 16