examples/chart_pie.rb in write_xlsx-0.81.0 vs examples/chart_pie.rb in write_xlsx-0.81.1

@@ -13,10 +13,9 @@
 #
 # reverse(c), March 2011, John McNamara, [e-mail]
 # convert to ruby by Hideo NAKAMURA, [e-mail]
 #
 
-require 'rubygems'
 require 'write_xlsx'
 
 workbook  = WriteXLSX.new('chart_pie.xlsx')
 worksheet = workbook.add_worksheet
 bold      = workbook.add_format(:bold => 1)