SF bug #699934: Obscure error message
mwh pointed out that the error message did not
make sense if obtained by rearranging the bases.
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 4a13928..fea6e15 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -1082,10 +1082,8 @@
}
n = PyDict_Size(set);
- off = PyOS_snprintf(buf, sizeof(buf), "Cannot create class.\
-The superclasses have conflicting\n\
-inheritance trees which leave the method resolution order (MRO)\n\
-undefined for bases");
+ off = PyOS_snprintf(buf, sizeof(buf), "Cannot create a \
+consistent method resolution\norder (MRO) for bases");
i = 0;
while (PyDict_Next(set, &i, &k, &v) && off < sizeof(buf)) {
PyObject *name = class_name(k);