rem: if (label !== null) connection.setLabel(label); 
add: connection.setLabel(label); 
context:     function unselectConnections(){      $.each(jsPlumb.getAllConnections(), function(idx, connection) {        var label = connection.getLabel();        connection.setType("generic");        if (label !== null) connection.setLabel(label);      });    }
meta: 10226	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10226/9bbd89a5e246f852ba2607cd177ea5d887760218/script.js/clean/player/Python/interface/www/_SCENARIO/script.js