-./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.