lib/kagu/playlists.rb in kagu-0.1.0 vs lib/kagu/playlists.rb in kagu-0.1.1

@@ -5,10 +5,11 @@
     include Enumerable
 
     attr_reader :library
 
     def initialize(library)
-      @library = library.is_a?(Library) ? library : raise("#{self.class}#library must be a library, #{library.inspect} given")
+      raise ArgumentError.new("#{self.class}#library must be a library, #{library.inspect} given") unless library.is_a?(Library)
+      @library = library
     end
 
     def each(&block)
       return unless block_given?
       tracks = {}.tap do |tracks|