#242 - breaks when exporting with empty optionset - removed initial patch (friendly error message)
#242 - breaks when exporting with empty optionset - removed initial patch (friendly error message)

mainakibui/dkobo,jomolinare/dkobo,mainakibui/dkobo,mainakibui/dkobo,kobotoolbox/dkobo,onaio/dkobo,kobotoolbox/dkobo,jomolinare/dkobo,onaio/dkobo,onaio/dkobo,jomolinare/dkobo,jomolinare/dkobo,kobotoolbox/dkobo,kobotoolbox/dkobo,onaio/dkobo,mainakibui/dkobo