Add missing rpnpy.range reference for Python 3.
Add missing rpnpy.range reference for Python 3.

Signed-off-by: Stephane_Chamberland <1054841519c328088796c1f3c72c14f95c4efe35@science.gc.ca>
(cherry picked from commit 23860277c006d9635dedcaaa5e065c7aad199d8c)
(cherry picked from commit b613c799afbf95e15f99cee50c2f76516a264f32)

meteokid/python-rpn,meteokid/python-rpn,meteokid/python-rpn,meteokid/python-rpn