diff --git a/lib/submission_helper.rb b/lib/submission_helper.rb
--- a/lib/submission_helper.rb
+++ b/lib/submission_helper.rb
@@ -42,7 +42,7 @@
     def report(sub,test_result_dir)
       result = read_result(test_result_dir)
       if @result_collector
-        @result_collector.save(sub,                               
+        @result_collector.save(sub,
                                result)
       end
       save_result(sub,result)