Remove argparse requirement for python 2.7 and above
Remove argparse requirement for python 2.7 and above

imacube/python-beaver,josegonzalez/python-beaver,rajmarndi/python-beaver,timstoop/python-beaver,zuazo-forks/beaver,Appdynamics/beaver,Appdynamics/beaver,PierreF/beaver,timstoop/python-beaver,rajmarndi/python-beaver,doghrim/python-beaver,davidmoravek/python-beaver,python-beaver/python-beaver,thomasalrin/beaver,doghrim/python-beaver,thomasalrin/beaver,jlambert121/beaver,davidmoravek/python-beaver,josegonzalez/python-beaver,Open-Party/python-beaver,Open-Party/python-beaver,imacube/python-beaver,python-beaver/python-beaver,PierreF/beaver,zuazo-forks/beaver,jlambert121/beaver