lib/rubyXL/convenience_methods/worksheet.rb in rubyXL-3.4.1 vs lib/rubyXL/convenience_methods/worksheet.rb in rubyXL-3.4.2

@@ -612,7 +612,7 @@
       # TODO: add validation to make sure ranges are not intersecting with existing ones
       merged_cells << RubyXL::MergedCell.new(:ref => RubyXL::Reference.new(start_row, end_row, start_col, end_col))
     end
   end
 
-  RubyXL::Worksheet.include(RubyXL::WorksheetConvenienceMethods)
+  RubyXL::Worksheet.send(:include, RubyXL::WorksheetConvenienceMethods) # ruby 2.1 compat
 end