-./test_paire.nit:45,1--50:43: Error: A class Pair is already defined at line 17.
-./test_paire.nit:54,1--58:25: Error: A class Pair is already defined at line 17.
+./test_paire.nit:45,7--10: Error: A class Pair is already defined at line 17.
+./test_paire.nit:54,7--10: Error: A class Pair is already defined at line 17.