lib/load_tracer/formatter/dot.rb in load_tracer-0.6.0 vs lib/load_tracer/formatter/dot.rb in load_tracer-0.6.1

@@ -11,11 +11,11 @@
       @dependencies = dependencies
       @template = File.read(File.expand_path('templates/default.dot.erb', __dir__))
     end
 
     def export
-      graph_data = ERB.new(@template, nil, '-').result(binding)
+      graph_data = ERB.new(@template, trim_mode: '-').result(binding)
 
       graph_data.lines.map(&:rstrip).join("\n")
     end
 
     private
@@ -34,10 +34,10 @@
         end
       end.sort_by(&:first).uniq
     end
 
     def duplicated_label_names
-      return @_duplicate_names if @_duplicate_names
+      return @_duplicate_names if defined?(@_duplicate_names)
 
       checked = Hash.new
       @_duplicate_names = []
 
       @dependencies.each do |from, deps|