index.html.erb in mail_engine-0.1.15

- old
+ new

@@ -10,10 +10,10 @@
 
     data.addRows(<%= @pie_chart_columns.size %>);
 
     <% @pie_chart_columns.each_with_index do |col, i| %>
       data.setValue(<%= i %>, 0, "<%= col %>");
-      data.setValue(<%= i %>, 1, <%= @data_of_today[col] %>);
+      data.setValue(<%= i %>, 1, <%= @data_of_today[col]||0 %>);
     <% end %>
 
     var chart = new google.visualization.PieChart(document.getElementById('pie_chart'));
     chart.draw(data, {width: 350, height: 300, chartArea: {left:0,top:0,right:0,bottom:0, width:"100%",height:"100%"} });
   }
\ No newline at end of file