Traceback (most recent call last): File "tests/qapi-schema/test-qapi.py", line 19, in exprs = parse_schema(sys.argv[1]) File "scripts/qapi.py", line 760, in parse_schema return check_exprs(schema.exprs) File "scripts/qapi.py", line 743, in check_exprs check_union(expr, info) File "scripts/qapi.py", line 586, in check_union assert branch_struct AssertionError