Fix `nanvar` datatype for windows
@@ -521,7 +521,7 @@ cdef _nanmean_func = create_reduction_func(
_count_non_nan = create_reduction_func(
'cupy_count_non_nan',
- ('e->l', 'f->l', 'd->l'),
+ ('e->q', 'f->q', 'd->q'),
('isnan(in0) ? 0 : 1', 'a + b', 'out0 = a', None), 0)
