head_music.gemspec in head_music-0.20.0 vs head_music.gemspec in head_music-0.22.0

@@ -1,8 +1,7 @@
-
 # frozen_string_literal: true
 
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'head_music/version'
 
 Gem::Specification.new do |spec|
   spec.name          = 'head_music'