python: fix check of is_parity()

* wrap/python/tests/accparse2.py: Do not check max and odd if
is_parity is False, as this "argout" parameters are not initialized by
SWIG.

wrap/python/tests/accparse2.py

@@ -25,11 +25,11 @@ assert(a.is_parity() == [True, False, True])
 a.set_acceptance(spot.parse_acc_code('parity max even 5'))
 assert(a.is_parity() == [True, True, False])
 a.set_acceptance(spot.parse_acc_code('generalized-Buchi 5'))
-assert(a.is_parity() == [False, False, False])
-assert(a.is_parity(True) == [False, False, False])
+assert(a.is_parity()[0] == False)
+assert(a.is_parity(True)[0] == False)
 a.set_acceptance(spot.parse_acc_code(
     'Inf(4) | (Fin(3)&Inf(2)) | (Fin(3)&Fin(1)&Inf(0))'))
-assert(a.is_parity() == [False, False, False])
+assert(a.is_parity()[0] == False)
 assert(a.is_parity(True) == [True, True, False])
 
 a = spot.acc_cond(0)