status on 8.9.beta4: remains 12 files with a total of 33 failing doctests:

'src/sage/combinat/root_system/non_symmetric_macdonald_polynomials.py # 1 doctest failed',
'src/sage/libs/singular/function.pyx # 1 doctest failed',
'src/sage/schemes/hyperelliptic_curves/hyperelliptic_finite_field.py # 1 doctest failed',
'src/sage/symbolic/expression.pyx # 1 doctest failed',
'src/sage/tests/books/computational-mathematics-with-sagemath/graphtheory_doctest.py # 1 doctest failed',
'src/sage/tests/books/computational-mathematics-with-sagemath/sol/graphtheory_doctest.py # 1 doctest failed',
'src/sage/doctest/test.py # 2 doctests failed',
'src/sage/numerical/backends/generic_backend.pyx # 2 doctests failed',
'src/sage/combinat/root_system/weyl_characters.py # 3 doctests failed',
'src/sage/repl/attach.py # 4 doctests failed',
'src/sage/combinat/root_system/weyl_group.py # 7 doctests failed',
'src/sage/misc/nested_class.pyx # 9 doctests failed'