Disable the specialised "tp_getattro" implementations in Py3.7 as setting the slot to anything but "PyObject_GenericGetAttr" disables the much more effective method call optimisation that avoids creating an intermediate PyMethod object in Py3.7.
Disable the specialised "tp_getattro" implementations in Py3.7 as setting the slot to anything but "PyObject_GenericGetAttr" disables the much more effective method call optimisation that avoids creating an intermediate PyMethod object in Py3.7.

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