In function 'not_setting_exception':
tests/cpychecker/refcounts/not_setting_exception/input.c:32:nn: warning: returning (PyObject*)NULL without setting an exception [enabled by default]
tests/cpychecker/refcounts/not_setting_exception/input.c:32:nn: note: returning at:     return NULL;
tests/cpychecker/refcounts/not_setting_exception/input.c:27:nn: note: graphical error report for function 'not_setting_exception' written out to 'tests/cpychecker/refcounts/not_setting_exception/input.c.not_setting_exception-refcount-errors.html'