fix (Py_s)size_t as argument type by removing old code that depended on PyArg_ParseTupleAndKeywords()
fix (Py_s)size_t as argument type by removing old code that depended on PyArg_ParseTupleAndKeywords()

bhy/cython-haoyu,bhy/cython-haoyu,bhy/cython-haoyu,bhy/cython-haoyu