generalize grabbing analyzer block

beat/web/reports/static/reports/app/controllers/groupsController.js

@@ -28,8 +28,8 @@ angular.module('reportApp').controller('GroupsController', ['$scope', 'ReportSer
 	vm.report = $scope.report;
 
 	const getAnalyzerFromExpName = (expName) => {
-		let analyzer_block = vm.report.all_experiments[expName].declaration.analyzers.analysis
-			|| vm.report.all_experiments[expName].declaration.analyzers.analyzer_private;
+		let analyzers = vm.report.all_experiments[expName].declaration.analyzers;
+		let analyzer_block = analyzers[Object.keys(analyzers)[0]];
 
 		return analyzer_block.algorithm;
 	};