improve error message to hint at potential dependency on Py3.6+ finalisation as most likely cause
improve error message to hint at potential dependency on Py3.6+ finalisation as most likely cause

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