Update ipython from 5.4.1 to 6.2.1
Update ipython from 5.4.1 to 6.2.1
django-oscar/django-oscar,sasha0/django-oscar,sonofatailor/django-oscar,django-oscar/django-oscar,sonofatailor/django-oscar,django-oscar/django-oscar,sonofatailor/django-oscar,sasha0/django-oscar,solarissmoke/django-oscar,sasha0/django-oscar,sasha0/django-oscar,sonofatailor/django-oscar,solarissmoke/django-oscar,solarissmoke/django-oscar,django-oscar/django-oscar,solarissmoke/django-oscar