Define `Py_ISSPACE()` if PyPy lacks it.
Define `Py_ISSPACE()` if PyPy lacks it.

scoder/cython,scoder/cython,cython/cython,da-woods/cython,cython/cython,da-woods/cython,cython/cython,da-woods/cython,da-woods/cython,cython/cython,scoder/cython,scoder/cython