[PyQt] sip-4.19.9.dev1805261119 python2 build failure

[Rex Dieter]

Trying to build latest sip snapshot on fails building on/for python2 
(python3 is fine):

siplib.c:6337:22: error: 'PyHeapTypeObject' {aka 'struct _heaptypeobject'} 
has no member named 'ht_qualname'; did you mean 'ht_name'?
         Py_CLEAR(ht->ht_qualname);