bin/shellplay in shellplay-0.0.9 vs bin/shellplay in shellplay-0.0.10

@@ -1,9 +1,8 @@
 #!/usr/bin/env ruby
 
 require 'paint'
-require 'json'
 require 'open3'
 
 
 lib = File.expand_path('../../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
@@ -12,10 +11,9 @@
 
 @session = Shellplay::Session.new
 @session.import(ARGV[0])
 
 continue = true
-@sleeptime = 1.0/48.0
 @lastelapsed = 0
 @playprompt = true
 @sleeptime = (1.0/48.0)
 
 counter = 1