Fixed bug with the CSV header

bob/bio/base/pipelines/vanilla_biometrics/score_writers.py

@@ -178,5 +178,8 @@ class CSVScoreWriter(ScoreWriter):
 
             for sset in samplesets:
                 for s in sset:
-                    f.writelines(s.data)
+                    if i==0:
+                        f.writelines(s.data)
+                    else:
+                        f.writelines(s.data[1:])
             samplesets_list[i] = None
\ No newline at end of file