I tried on a different computer, in a different environment and I get a different result:
Ran 266 tests in 55.654s OK (skipped=6) !! -- You received this message because you are subscribed to the Google Groups "tryton" group. To view this discussion on the web visit https://groups.google.com/d/msgid/tryton/121e63fc-de2f-451d-9b6e-29156c2bacc0%40googlegroups.com.